VENTURA COUNTY GENERAL PLAN
PUBLIC FACILITIES &
SERVICES APPENDIX
Adopted by the Ventura County Board of Supervisors
May 24, 1988
Last Amended – March 26, 2002
Ventura County General Plan
PUBLIC FACILITIES AND SERVICES
APPENDIX
1988 Decision- Makers and Contributors
Ventura County Board of Supervisors Ventura County Planning Commission
Susan K. Lacey First District William T. Bennett
Madge Schaefer Second District Mary Alice Henderson
Maggie Erickson Kildee Third District Laura Newman
James R. Dougherty Fourth District Irma Jones
John K. Flynn Fifth District Betty Taylor
Ventura County Planning Division
Thomas Berg, Division Manager
Bruce Smith, Supervisor, General Plans Section
Daniel Price, Project Manager
Joseph M. Eisenhut
Steve Offerman
Word Processing Graphics
Karen Avers- Mary Stevenson Kay Clark- Carlos Mendoza
Janette Landon- Barbara Bean- Joyce Evans Shelah Bernstein- Yvonne Tello
Mary Monahan
County of Ventura
Resource Management Agency
Planning Division
800 South Victoria Avenue
Ventura, CA 93009- 1740
( 805) 654- 2494 FAX ( 805) 654- 2509
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PUBLIC FACILITIES AND SERVICES APPENDIX
Table Of Contents
4.1 Introduction .................................................................................................. 1
4.2 Transportation/ Circulation .......................................................................... 2
4.2.1 Roads And Highways............................................................................................................... 2
4.2.2 Transit Service ......................................................................................................................... 5
4.2.3 Railway Service........................................................................................................................ 7
4.2.4 Airport Facilities..................................................................................................................... .. 8
4.2.5 Harbors........................................................................................................................ .......... 11
4.2.6 Pipelines...................................................................................................................... .......... 12
4.2.7 Conclusions.................................................................................................................... ....... 13
4.3 Water Supply Facilities.............................................................................. 19
4.3.1 Water Sources........................................................................................................................ 19
4.3.2 Water Users/ Suppliers ........................................................................................................... 20
4.3.3 Conclusions.................................................................................................................... ....... 24
4.4 Waste Treatment And Disposal Facilities ................................................ 43
4.4.1 On- Site Septic Systems ( Individual Sewage Disposal Systems)........................................... 43
4.4.2 Sewage Treatment Facilities.................................................................................................. 43
4.4.3 Solid Waste Disposal Sites .................................................................................................... 49
4.4.4 Off- Site Waste Treatment Facilities ....................................................................................... 50
4.4.5 Waste Transfer Stations......................................................................................................... 51
4.4.6 Conclusions.................................................................................................................... ....... 52
4.5 Public Utilities ............................................................................................ 80
4.5.1 Electrical Power...................................................................................................................... 80
4.5.2 Natural Gas ............................................................................................................................ 81
4.5.3 Telephone Service ................................................................................................................. 82
4.5.4 Cable Television Service........................................................................................................ 82
4.5.5 Communications Equipment .................................................................................................. 82
4.5.6 Conclusions.................................................................................................................... ....... 82
4.6 Flood Control And Drainage Facilities ..................................................... 87
4.6.1 Ventura County Flood Control District.................................................................................... 87
4.6.2 Flood Control District Facilities............................................................................................... 88
4.6.3 Conclusions.................................................................................................................... ....... 89
4.7 Law Enforcement And Emergency Services ........................................... 93
4.7.1 Sheriff's Department............................................................................................................... 93
4.7.2 Jail And Detention Facilities ................................................................................................... 96
4.7.3 Courts......................................................................................................................... ........... 97
4.7.4 Emergency Services .............................................................................................................. 97
4.7.5 Conclusions.................................................................................................................... ....... 98
4.8 Fire Protection.......................................................................................... 101
4.8.1 Ventura County Fire Protection District................................................................................ 101
4.8.2 Other Fire Protection Agencies ............................................................................................ 104
4.8.3 Conclusions.................................................................................................................... ..... 104
4.9 Educational Facilities And Services....................................................... 108
4.9.1 Public Elementary And Secondary Schools......................................................................... 108
4.9.2 Ventura County Superintendent Of Schools Office Services............................................... 116
4.9.3 Public Community Colleges ................................................................................................. 117
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4.9.4 Private Schools .................................................................................................................... 118
4.9.5 Library Services.................................................................................................................... 120
4.9.6 Future Public School Facilities ............................................................................................. 121
4.9.7 Conclusions.................................................................................................................... ..... 122
4.10 Parks And Recreation.............................................................................. 126
4.10.1 Need........................................................................................................................... ......... 126
4.10.2 Provision Of Recreation Facilities ........................................................................................ 127
4.10.3 Recreation Inventory ............................................................................................................ 129
4.10.4 Conclusions.................................................................................................................... ..... 130
4.11 Other Public Buildings And Grounds..................................................... 137
4.11.1 Federal Installations, Facilities And Lands........................................................................... 137
4.11.2 State Facilities And Lands.................................................................................................... 139
4.11.3 Other Ventura County Buildings And Facilities .................................................................... 139
4.11.4 Conclusions.................................................................................................................... ..... 148
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List Of Figures
Figure 4.2.1 1986 Regional Road Network ( Map) ...................................................( Separate Document)
Figure 4.2.2 Average Daily Traffic ( ADT) Level of Service ( LOS) Thresholds - County
Roads/ Conventional State Highways, and Freeways Table.............................................. 16
Figure 4.2.3 2010 Regional Road Network ( Map) ...................................................( Separate Document)
Figure 4.2.4 Transit Service, Airports, Railroads, and Harbors Map..................................................... 17
Figure 4.2.5 Energy Pipelines and Storage Facilities Map.................................................................... 18
Figure 4.3.1 Major Surface Water Resources Map ............................................................................... 28
Figure 4.3.2 Water Supply Projects ( Illustration - Map)......................................................................... 29
Figure 4.3.3 Ventura County Water Resources - 1985 Facts And Figures ( Table)............................... 30
Figure 4.3.4 Water Purveyors In Ventura County ( List)......................................................................... 31
Figure 4.3.5 Major Water Wholesalers Map .......................................................................................... 33
Figure 4.3.6 Major Municipal And Industrial Retail Water Purveyors for Ventura County Cities And
Unincorporated Areas ( Table)............................................................................................ 34
Figure 4.3.7 Ventura County 1991 Water Survey Table........................................................................ 35
Figure 4.3.8 Ventura County 1991 Urban Water Survey Table............................................................. 36
Figure 4.3.9a Water Demand Projections Within Casitas MWD ( Acre- Feet Per Year) ( Table) ............ 37
Figure 4.3.9b Water Supply Projections Within Casitas MWD ( Acre- Feet Per Year) ( Table)............... 38
Figure 4.3.10a Water Demand Projections Within United WCD ( Acre- Feet Per Year) ( Table) ............ 39
Figure 4.3.10b Water Supply Projections Within United WCD ( Acre- Feet Per Year) ( Table)............... 40
Figure 4.3.11a Water Demand Projections Within Calleguas MWD ( Acre- Feet Per Year) ( Table) ...... 41
Figure 4.3.11b Water Supply Projections Within Calleguas MWD ( Acre- Feet Per Year) ( Table)......... 42
Figure 4.4.1 Waste Facilities Map ......................................................................................................... 54
Figure 4.4.2 Septic Systems Limitation Map ......................................................................................... 56
Figure 4.4.3 Sanitation Districts Map..................................................................................................... 57
Figure 4.4.4 Population By Sewer Service Area ( Table) ....................................................................... 58
Figure 4.4.5 Industrial Acreage By Sewer Service Area ( Table)........................................................... 59
Figure 4.4.6 Sewage Treatment Plant Loading Factors Table.............................................................. 60
Figure 4.4.7 Flow From Domestic/ Commercial Uses ( All Figures in 1,000 Gallons Per Day) ( Table).. 61
Figure 4.4.8 Flow From Industrial Uses ( All Figures in 1,000 Gallons Per Day) ( Table) ...................... 62
Figure 4.4.9 - Deleted ............................................................................................................................ 63
Figure 4.4.10 Sewage Treatment Plant Staging - Camarillo Sanitary District Water Reclamation
Plant ( Graph)...................................................................................................................... 64
Figure 4.4.11 Sewage Treatment Plant Staging - Camrosa Wastewater Treatment Plant ( Graph) ..... 65
Figure 4.4.12 Sewage Treatment Plant Staging - Nyeland Acres Wastewater Treatment Plant
( Graph)......................................................................................................................... ..... 66
Figure 4.4.13 Sewage Treatment Plant Staging - Moorpark Wastewater Treatment Plant ( Graph)..... 67
Figure 4.4.14 Sewage Treatment Plant Staging - Piru Wastewater Treatment Plant ( Graph).............. 68
Figure 4.4.15 Sewage Treatment Plant Staging - Fillmore Wastewater Treatment Plant ( Graph) ....... 69
Figure 4.4.16 Sewage Treatment Plant Staging - Montalvo Municipal Improvement District
Treatment Facility ( Graph) ................................................................................................. 70
Figure 4.4.17 Sewage Treatment Plant Staging - Ojai Valley Sanitary District Wastewater
Treatment Plant ( Graph) .................................................................................................... 71
Figure 4.4.18 Sewage Treatment Plant Staging - City of Oxnard Wastewater Treatment Facility
( Graph)......................................................................................................................... ..... 72
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Figure 4.4.19 Sewage Treatment Plant Staging - City of Santa Paula Wastewater Treatment Plant
( Graph)......................................................................................................................... ..... 73
Figure 4.4.20 Sewage Treatment Plant Staging - Saticoy Sanitary District Wastewater Treatment
Plant ( Graph)...................................................................................................................... 74
Figure 4.4.21 Sewage Treatment Plant Staging - Simi Valley County Sanitation District Water
Quality Control Plant ( Graph)............................................................................................. 75
Figure 4.4.22 Sewage Treatment Plant Staging - City of Thousand Oaks Hill Canyon Wastewater
Treatment Plant ( Graph) .................................................................................................... 76
Figure 4.4.23 Sewage Treatment Plant Staging - City of Thousand Oaks Olson Road Water
Reclamation Plant ( Graph) ................................................................................................ 77
Figure 4.4.24 Sewage Treatment Plant Staging - Ventura Water Renovation Facility ( Graph) ............ 78
Figure 4.4.25 Sewage Treatment Plant Staging - Triunfo County Sanitation District ( Graph) .............. 79
Figure 4.5.1 Public Utilities: Electrical Power and Natural Gas ( Map) .................................................. 84
Figure 4.5.2 - 66 kV Distribution Substations ( Table)............................................................................ 85
Figure 4.5.3 16- 4 kV Substations ( Table) .............................................................................................. 86
Figure 4.6.1a Flood Control Map - South Half....................................................................................... 91
Figure 4.6.1b Flood Control Map North Half.......................................................................................... 92
Figure 4.7 Public Safety Facilities: Sheriff ( Map)................................................................................ 100
Figure 4.8.1 Public Safety Facilities: Fire Protection ( Map)................................................................ 106
Figure 4.8.2 Ventura County Fire Protection District Facilities And Station Directory......................... 107
Figure 4.9.1 Public School and Libraries Map..................................................................................... 123
Figure 4.9.2 Ventura County Library Services Agency – Libraries ( Table) ......................................... 124
Figure 4.9.3 Additional School Facilities For Ventura County Public School Districts Needed By
Year 2000 ( Table) ............................................................................................................ 125
Figure 4.10.1 Local and National Recreation Areas/ National Forest Map .......................................... 132
Figure 4.10.2 Regional Recreation Facilities ( Table) .......................................................................... 133
Figure 4.10.3a Regional Recreation Facilities Map............................................................................. 135
Figure 4.10.3b Regional Recreation Facilities Map............................................................................. 136
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
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4. PUBLIC FACILITIES AND SERVICES
APPENDIX
4.1 Introduction
County government is concerned with providing many necessary public facilities and services at
both a local and a regional level.
As growth throughout Ventura County occurs, a need is created for the expansion of public
facilities and services. Funding for these have been more difficult to obtain since passage of
Propositions 4 and 13. These initiatives have altered traditional public facilities and services
financing mechanisms. As a result, more emphasis has been placed upon the utilization of fiscal
impact studies which assist local officials in determining whether a particular project or scale of
development in the community will generate sufficient revenues to defray the necessary public
facility and service costs. Now, more than ever, the availability of public facilities and services is an
important consideration in determining the economic feasibility of new development.
The Public Facilities and Services Appendix addresses ten types of public facilities and services
directly related to physical development of the County: Transportation/ Circulation ( Roads and
Highways, Transit, Rail Service, Airports, Harbors, and Pipelines), Water Supply, Waste Disposal
Facilities, Utilities, Flood Control and Drainage, Law Enforcement and Emergency Services, Fire
Protection, Education, Parks and Recreation, plus Other Public Buildings and Grounds. In some
instances, facilities and services are owned and/ or operated by the County of Ventura, or may be
provided by an agency governed by the Board of Supervisors. In other cases, facilities and
services are owned and operated by independent governmental entities or private companies.
The intent of this Appendix is to assess the current status of each of the aforementioned public
facilities and services and to evaluate the abilities of service- providing agencies to accommodate
projected growth. Because of their high costs and lasting impacts, provision of public facilities and
services has become an issue of major importance. Careful planning for public facilities and
services is needed to avoid uncontrolled growth and to ensure efficient use of scarce public funds.
The network of publicly- owned facilities, such as roads, streets, water and sewer facilities, public
buildings, and parks, form the infrastructure of Ventura County. While capital facilities are built to
accommodate present and anticipated needs, some play a major role in determining the location,
intensity, and timing of future development.
The Public Facilities and Services Appendix provides the background information and analysis
necessary to establish the goals, policies and programs which are part of the Public Facilities and
Services Chapter of the Ventura County General Plan, with the overall goal of providing those
necessary facilities and services to the residents of Ventura County.
The words shown in italics within this Appendix are defined in the Goals, Policies and Programs
Glossary ( separate document).
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4.2 Transportation/ Circulation
The Government Code ( Sec. 65302( b)) requires that a general plan contain a circulation " element"
consisting of the general location and extent of existing and proposed major thoroughfares,
transportation routes, terminals, and other local public utilities and facilities, all correlated with the
land use " element" of the General Plan. The Transportation/ Circulation Section describes the
Roads and Highways, Transit, Rail Service, Airport, Harbor and Pipeline ( including oil and natural
gas) facilities in Ventura County.
4.2.1 Roads And Highways
The Roads and Highways section addresses the thoroughfare requirements of the general plan by
examining the existing and proposed Regional Road Network for the unincorporated area of the
County.
4.2.1.1 Existing Regional Road Network
The 1986 Regional Road Network map ( Figure 4.2.1 - separate map) depicts existing
freeways/ expressways, conventional state highways, primary and secondary arterials and major
collectors. Minor collectors and local streets/ roads are not shown because the myriad of small
streets would be unreadable on the map and because such non- thoroughfares ( by definition) are
not required by the Government Code to be depicted. Information regarding the regional road
network in the unincorporated portion of the County includes number of lanes ( a. k. a., road cross
sections) and average daily traffic ( ADT). Within the ten incorporated cities in the County, major
city streets and all conventional state highways are depicted on the map for locational purposes
only, without reference to number of lanes or ADTs.
The cross section and ADT information for the County arterials and major collectors shown on the
1986 map were derived from the Ventura County Public Works Agency's April, 1986 Road Index-
Inventory. The cross section information for the freeways/ expressways was provided by the
California Department of Transportation ( CALTRANS) to the County in 1987 and the ADTs are
from CALTRANS 1986 Traffic Volumes Report.
The number of lanes and ADT on a given road are two variables that contribute to an
understanding of that road's general traffic condition. The traffic condition is referred to as Level of
Service ( LOS). LOSs are based on the following six step hierarchy:
LOS Traffic Conditions
A
Free uninterrupted low volume flow at high speeds with no
restriction on maneuverability ( lane changing) and with little or
no delays.
B Stable flow with some restrictions to operating speed
occurring.
C
Stable flow but with speed and maneuverability restricted by
higher traffic volumes. Satisfactory operating speed for urban
locations with some delays at signals.
D
Approaching unstable flow with tolerable operating speeds
subject to considerable and sudden variation, little freedom to
maneuver and with major delays at signals.
E Unstable flow with volume at or near capacity, lower operating
speeds and major delays and stoppages.
F Forced flow operation with low speeds and stoppages for long
periods due to congestion. Volumes below capacity.
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County thoroughfares and conventional State highways in the unincorporated area are classified as
Class I, II, or III roadways. Class I roadways are rural two- lane or multi- lane roads of essentially
level terrain, where the road section has been improved to meet current road standard criteria;
Class II roadways are rural two- lane roads, of essentially level and slightly rolling terrain, where the
road section does not meet current road standard criteria; and Class III roadways are rural two- lane
roads, of mountainous terrain or sharply curving alignment, where the road section does not meet
current road standard criteria;
The ADT and LOS thresholds for Class I, II and III roadways and Federal and State freeways are
shown on Figure 4.2.2.
4.2.1.2 2010 Regional Road Network
The projected County Regional Road Network for the year 2010 is depicted on the 2010 Regional
Road Network Map ( Figure 4.2.3). The information shown on the map was developed from the
Ventura County Area Transportation Study ( VCATS). VCATS was prepared by the Southern
California Association of Governments ( SCAG) in cooperation with the Ventura County Public
Works Agency ( PWA), the County Planning Division, and CALTRANS.
The methodology employed in preparing VCATS involved the collection of population, dwelling unit
and employment forecasts by geographic subareas. The geographical sub- areas that were
selected were based on the County's existing Growth Area/ Non- Growth Area division of the
County. The County is divided into 31 such sub- areas ( see Land Use Appendix). These sub- areas
are also used by the County for population and dwelling unit projections that are used in the Air
Quality Management Plan, Water Quality Management Plan, and Spheres of Influence Plan.
The study base year of 1984 was selected because that year represented the most accurate data
available at the time VCATS was initiated. The 1984 data included social ( population and
dwellings) and economic ( employment and income) information. The data, by sub- areas, was used
by SCAG as a technical data base for the VCATS project. SCAG used the Urban Transportation
System ( UTPS) and the TRANPLAN computer models to estimate the year 2010 socioeconomic
indicators and to project the County road network with ADTs, for the year 2010.
Socioeconomic indicators were developed by the County and SCAG for each of the sub- areas.
The table below shows examples of Countywide socioeconomic indicator input data ( 1984) and
projections for the year 2010.
Similar tables for each of the 31 sub- areas are contained within the VCATS document and the
Land Use Appendix.
The methodology employed to obtain the 2010 Regional Road Network map used the 1984 and the
projected 2010 socioeconomic data as well as other variables such as road type ( e. g., limited
access freeway, County roads cross sections, etc.), locations ( e. g., downtown, rural, etc.), bus lines
( e. g., routes, operating speeds, headways, etc.), and roadway improvements made since 1984 and
Indicator 1984 2010
Total County Population 578,905 893,770
Single family dwelling units 118,910 266,424
Total all dwelling units 197,954 349,143
Percent single family dwelling units 60.1% 76.1%
Average population per dwelling unit 2.92 2.56
Average dwelling units per acre 0.17 0.30
Total work force population 249,118 481,157
Total jobs within County 200,203 378,821
Percent of total jobs in retail 17.8% 16.5%
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
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pending ( now funded) improvements. This information was used in various computer gravity
models ( e. g. SCAG Regional Transportation Model, CALTRANS' LARTS model and UTPS) to
predict trip generation and distribution information that resulted in the 2010 Regional Road Network
map.
The estimation of the number of lanes needed in 2010 for all County thoroughfares and Federal
and State highways, expressways and freeways in the unincorporated area of the County is based
upon projected ADT at LOS " D". However, no road widening is indicated on State Route 33,
between Casitas Springs and the City of Ojai, pursuant to long- term objections to road
improvements expressed by some Ojai Valley residents due to their concerns that such
improvements would foster unwanted growth in the area.
The 2010 Regional Road Network map uses the same graphic format as the 1986 Regional Road
Network map. The 2010 map shows the projected ADTs and lanes necessary for existing and
future roads to accommodate the projected ADTs. Projected ADTs are shown for all freeways/
expressways, as well as for County arterials and major collectors. Also depicted on the 2010 map
are existing and proposed major city streets and State highways as obtained from the respective
city's long range street plans. However, as on the 1986 map, ADTs and cross sections are not
indicated for streets nor Federal or State highways within a city's boundary.
The 2010 map also depicts the areas that each city might annex in the future by indicating a city's
Sphere of Influence ( the probable ultimate boundary of each city). Within each city Sphere, the
city's proposed major streets ( as depicted on their respective street plans) are also shown.
The 2010 Regional Road Network includes a proposed State Route 1 Bypass which generally runs
east of the City of Oxnard along the existing Rice Avenue alignment. While the State is still
reviewing a Project Study Report for this facility, the freeway is included due to high projected
traffic volumes ( VCATS, 1987). The extension of this freeway north of U. S. 101 ( eventually
connecting to the existing Simi Valley Freeway in Moorpark) is not shown on the 2010 Regional
Road Network due to very low traffic volumes projected for 2010. However, it may be prudent to
avoid development which would adversely affect the CALTRANS adopted alignment in order not to
preclude CALTRANS' future ability to construct this freeway at a future date when traffic studies
warrant it ( after 2010).
4.2.1.3 Modes of Transportation
Modes of transportation utilizing the County Regional Road Network vary considerably from the
predominate automobile to trucks carrying commodities and goods, bus transit, and bicycles.
Bicycles don't utilize the same travel lanes, but use part of the same right- of- way.
Automobile
The automobile remains the most popular form of transportation in Ventura County. The
California Department of Motor Vehicles reports that 358,563 fee paid automobiles were
currently registered in Ventura County as of December 31, 1986. During that same year there
were 426,900 licensed drivers. The resulting ratio of licensed drivers to fee paid automobiles is
1.19. This ratio indicates that the population, in general, relies heavily on the use of the
automobiles for transportation.
Trucks
According to Public Works Agency Transportation Department estimates, approximately 10%
of all vehicle trips are trucks.
Bus Transit
For a complete discussion of bus transit in Ventura County, refer to Section 4.2.2 ( Transit
Service).
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Bicycles:
The bicycle is a realistic and viable alternative to the automobile. Its use can improve air
quality and vehicle congestion, and it can make significant reductions in vehicles' noise
pollution, fuel consumption and parking needs. The bicycle can be a commute mode by itself
or be used as a feeder to mass transit operations.
Bikeways are one element of an effort to improve bicycling safety and convenience, either to
help accommodate motor vehicle and bicycle traffic on shared roadways, or to complement the
road system to meet needs not adequately met by roads. The " General Road Design Policies"
portion of the County of Ventura Public Works Agency Road Standards states that " turning
lanes at intersections and bicycle lanes may require Right- of- Way and improvement widths
greater than those shown on the B series plates."
Due to high road construction costs, only a few County roads where either parking is prohibited
in each direction or the right- of- way width is increased, actually contain bicycle lanes. Class II
bicycle lanes ( paved area within road for preferential use by bicycles) require an additional ten
feet of right- of- way and pavement ( i. e., five feet in each direction).
An alternative would be to maintain and improve the width and quality of the surface of the right
hand portion of existing roads so they are suitable for bicycle traffic ( Class III bicycle route).
Bicycle and pedestrian improvement projects in Ventura County are regularly funded by
VCAG's Executive Committee with TDA Article 3 allocations of SB 821 money. Countywide
bicycle plans are developed to the extent possible by cooperative effort between County and
cities staffs in order to coordinate planning and funding. For example, the County is working
with the cities of Ojai and Ventura to construct the Ojai Valley Trail, described below. The
County also worked with the cities of Oxnard and Ventura to construct a bicycle bridge over the
Santa Clara River, which connects with the Harbor Boulevard Bike Lane between Oxnard and
Ventura.
Description of County Bicycle Facilities:
• Victoria Bikeway - This was constructed in the mid- 1970' s. A Class I path parallels
Victoria Avenue from Olivas Park Drive to Gonzales Road and a Class II bike lane is
available for bicyclists from Gonzales Road to Channel Islands Boulevard.
• Harbor Boulevard Bike Lane - This Class II coastal facility has been striped along Harbor
Boulevard based on the availability of local funding. As a link between projects in Oxnard
and Ventura, the County constructed a bicycle bridge over the Santa Clara River to provide
safe travel between the two cities.
• Ojai Valley Trail - This is a 9.5- mile by 50- foot multi- purpose Class I trail utilizing the
abandoned Southern Pacific Railroad right- of- way from the City of Ojai to Foster Park. A
split- rail fence separates the horses from the pedestrians and bicyclists. One side of the
trail is paved with asphalt for bicyclists, and the other with wood chips and gravel, a more
suitable roadbed for horses. Currently, about 4.2 miles of the Ojai Trail have been
completed.
4.2.2 Transit Service
In Ventura County, there are several public and private bus transit operators. These are described
below.
• The South Coast Area Transit ( SCAT) serves Ojai, Ventura, Oxnard, Santa Paula, Port
Hueneme and much of the unincorporated area in between. Buses run seven days a week
( excluding some holidays).
• The County, along with the Cities of Camarillo and Thousand Oaks, contracts for the
Interconnect Bus to serve Westlake Village, Thousand Oaks, Camarillo, Oxnard, and Ventura.
Interconnect operates weekdays, via peak- hour express and regular midday runs. The bus
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meets the Southern California Rapid Transit District bus in Westlake for inter- county trips to
Los Angeles County. The County also contracts for transit service in the unincorporated
communities of Oak Park, El Rio and Nyeland Acres.
• Fillmore Area Transit Company ( FATCO) provides weekday bus service to Fillmore, Santa
Paula, Ventura and Piru. FATCO provides this service under a contract with the County and
City of Fillmore. FATCO also operates the Fillmore City dial- a- ride.
• Camarillo Bus Service serves the intracity bus needs of the City of Camarillo. The City also
contracts with the County and the City of Thousand Oaks for " Interconnect" bus service.
• The Simi Valley Transit System operates in Simi Valley, Chatsworth and Moorpark. The
Moorpark College route connects with the Thousand Oaks Transit System.
• The Thousand Oaks Transit System serves Thousand Oaks, Newbury Park and Westlake
Village. Also, the City of Thousand Oaks works with the County and Camarillo to fund the
intercity " Interconnect" bus.
• Greyhound Bus Lines provides regular long distance travel service and stops at seven cities in
the County: Camarillo, Fillmore, Oxnard, Santa Paula, Simi Valley, Thousand Oaks and
Ventura, plus Piru and Point Mugu.
• An airport bus service company, Great American Stagelines, makes trips to Los Angeles
International Airport and occasionally to Burbank. Intercity bus service is also provided by
Great American Stagelines to Ventura, Oxnard, Camarillo, Thousand Oaks, Westlake and
Woodland Hills.
• All ten incorporated cities and all major Ventura County communities have a program to
transport senior citizens to meal sites and the delivery of meals to seniors, known as Meals on
Wheels. This program is administered by Public Social Services Agency with a subcontract to
each local community.
• The Senior Survivalmobile serves senior citizens countywide during medical emergencies, with
the help of volunteers and their cars. This program is also administered by Public Social
Services Agency.
• Taxicab companies are available in all cities except Fillmore, Moorpark and Ojai.
• Commuter Transportation Services ( aka Commuter Computer), a regional ride- sharing and
marketing agency, arranges inter- county and local carpools, van pools and bus pools. Riders
can park their cars free all day at ten park and ride lots located in Camarillo, Simi Valley,
Thousand Oaks and Ventura.
The County Public Works Agency Transportation Department has been designated by the Board of
Supervisors as the County department responsible for transit planning, coordination and project
implementation.
To accomplish this goal, the County staff regularly works with other County departments, VCAG
and SCAG, the other area transit operators, and local, State and Federal agencies.
The County assists whenever needed in coordination of services and institutional arrangements
and is also responsible for funding a number of different operations. In FY 1986/ 87, as has
happened in past years, the County assigned TDA funds to SCAT for service to the unincorporated
communities in its areas. One- third of the costs for the regular and express Thousand
Oaks/ Camarillo/ Ventura Interconnect Bus were paid with a County TDA Article 8c allocation. Also
funded were contract services in the Fillmore/ Piru area, and between the community of El Rio and
the City of Oxnard. Other recipients of County funds were Commuter Computer, which got an
operations grant of FAU money in support of a full- time Ventura office, and the numerous public
social service agency operations in the area which were funded through a variety of sources.
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4.2.3 Railway Service
County Railway Service includes passenger rail service on Amtrak and freight rail service by
Southern Pacific and the Ventura County Railway Company.
4.2.3.1 Passenger Service
Amtrak passenger rail service has served Oxnard for many years and began serving Simi Valley in
October 1986. Amtrak passes through the Oxnard and Simi Valley stations daily, with one run
going north and the other south. The Coast Starlight northbound train leaves Simi Valley and
Oxnard late morning. The southbound leaves Oxnard and Simi Valley in the early evening.
Nationwide connections may be made in Los Angeles. Amtrak bus service is available to Los
Angeles Union Station from Ventura, Oxnard and Simi Valley. Expansion of service along the
Santa Barbara to Los Angeles route is expected soon.
4.2.3.2 Freight Service
The Southern Pacific Transportation Company provides intra- state and trans- continental rail freight
service from its main coast line which runs from the Santa Barbara County line along the coast
south through Ventura to Oxnard and then east through Camarillo, Moorpark, Simi Valley to the
Los Angeles County line for a distance of 48.9 miles. A 28.6 mile branch line travels along the
Santa Clara River Valley from Montalvo in a northeasterly direction through Santa Paula and
Fillmore to Piru.
The Ventura County Railway Company is a local railroad connecting the Southern Pacific tracks
with the U. S. Naval Construction Battalion Center, Port Hueneme Harbor and industrial parks in
Oxnard, south of Fifth Street. The Ventura County Railway Company maintains 11.8 miles of route
miles and about 18 track miles. The Railway Company began in 1905 as the Bakersfield and
Ventura Railway but was renamed in 1911 as the Ventura County Railway Company when the
proposed extension to Bakersfield was dropped. The present railroad with 15 employees has its
headquarters at 250 East Fifth Street in Oxnard.
The Ventura County Railway Company transports a variety of freight including industrial,
agricultural, chemical, government related, and automobiles and small trucks for the Mazda Motors
of America's port facility in Port Hueneme. One Ventura County Railway track crosses Fifth Street
and splits into two interchange tracks at the west end of the Southern Pacific yard. Near the
Ventura County Railway office, the shortline's track divides, with one heading south a couple of
blocks to the enginehouse/ diesel shop. The other track goes southeast to a small yard. A number
of industries, such as a chemical company, tire dealers, a fertilizer company, and vegetable
packing plants are located in this area, known as Oxnard Industrial Plaza. Beyond the yard, a wye
is located near Wooley Road.
From the wye one track heads south, crossing California Highway 1 ( Pacific Coast Highway).
Known as the South Oxnard Branch, this line runs 5.4 miles to the South Oxnard Industrial Area
and to the docks at Port Hueneme. Along the way, the track passes Donlon and Round Mountain
Junction. Just south of the junction, near Arnold, the Diamond Spur and Edison Branch curve left
off the South Oxnard Branch. These two lines and their sidings serve the South Oxnard Industrial
Area. The South Oxnard Branch curves westward, enters the city of Port Hueneme, and
terminates at the Oxnard Harbor District's Port of Hueneme South Terminal. Customers in the
industrial area include oil companies, lumber yards, offshore oil drilling supply companies,
vegetable packing plants, and the Kaiser Aluminum plant. The Edison Branch continues to
Southern California Edison's Ormond Beach power plant. The power plant receives very little rail
traffic.
Back at the wye in downtown Oxnard, the other track ( the Patterson Branch), heads west for Wilds,
3.5 miles away. The track runs alongside Wooley Road ( and down the center median for 1.4
miles) to Patterson Junction. At this point the track curves south 90 and heads south alongside
Patterson Road. Patterson Junction once had a track continuing west and then north to beet
dumps. As the present branch continues southward it enters Port Hueneme and then comes to
Wilds ( named after W. N. Wilds, a longtime Ventura County Railway employee in the 1940s), once
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the site of a sugar beet dump. The only thing to mark the location today is the boundary of the
Navy base. From that point on, the Navy owns the trackage. The base, officially known as the
U. S. Naval Construction Battalion Center, has a small yard just inside the fence and the Ventura
County Railway Company occasionally drops off cars loaded with Navy trucks, bulldozers and
related construction equipment and materials. U. S. Navy GE center cab 80- tonner 65- 00349
switches the Navy- related parts of the base. The Ventura County Railway switches several civilian
companies on the base. Civilian and military business coexists on the base because it's the only
deep- water seaport between San Francisco Bay and the Long Beach/ Los Angeles ports. Among
the customers on the base serviced by the Ventura County Railway is the Mazda Motors of
America port facility. Mazda Motors is one of the railway's largest sources of revenue.
4.2.4 Airport Facilities
There are four airports in Ventura County, which include County owned and operated airports at
Camarillo and Oxnard, a private airport at Santa Paula and the Federally operated Point Mugu
Naval Air Station and runway at San Nicholas. The California Air National Guard has an operation
on a 208 acre site adjacent to Pt. Mugu NAS. A description of each airport and the County Airport
Administration follows ( Refer to Figure 4.2.4 for the location of each airport):
4.2.4.1 County Airports
County Department of Airports was created in December 1984 by the Board of Supervisors,
independent from the former Property Administration Agency. The Department of Airports
oversees the development, operations, repair and maintenance to airports in Camarillo and
Oxnard.
The Aviation Advisory Commission was established by the Board of Supervisors for the purpose of
advising the Board on airport policy related matters. Airport authorities were established under the
provisions of a Joint Powers Agreement between the County of Ventura and the City of Camarillo
for the Camarillo Airport and a separate Airport Authority at Oxnard between the County and City of
Oxnard.
Oxnard Airport
The Oxnard Airport is a 212 acre facility located in Oxnard and, although within the corporate
boundaries of Oxnard, is operated by the County of Ventura.
The Oxnard Airport airside facilities include a single east/ west runway ( Runway 7/ 25), 5,950'
long and 100' wide with an effective gradient of 0.19 percent. The runway is asphalt in
composition and is rated with a gross loading weight strength of 30,000 lbs for aircraft with
single wheel landing gear configurations, and 53,000 lbs for aircraft with dual wheel
configurations. Due to a 137 foot church spire located east of the Airport, the Runway 25
landing threshold has been displaced 1,382 feet to the west. This reduces the Runway 25
landing length to 4,568 feet. It is also important to note that the primary approach path for the
instrumented runway at Oxnard Airport is located directly above the Oxnard Civic Center. A
parallel taxiway is available the full length of the runway and is connected to the runway by five
connecting taxiways. Runway 25 is also equipped with a high speed taxiway exit.
A total of three major hangars, one medium hangar, and 123 small hangars ( 52 County owned
and 71 private) are located at the airport. Aircraft storage space at the Airport consists of
56,100 square feet of hangar space, which will accommodate approximately 100 aircraft. In
addition, 140 outdoor tie- down positions are available. The four story, 80' high air control
tower, built in 1960, is operated by FAA Air Traffic Controllers from 7a. m. to 9p. m.; of the 24-
hour period the airport is open.
Excellent air navigation aids are available to guide pilots approaching the Oxnard Airport during
poor weather conditions. Four published instrument procedures are available for the airport.
The most precise of these is the Instrument Landing System ( ILS) approach procedure to
Runway 25 which allows a qualified pilot to descend solely by reference to instruments to 250
feet above the ground in visibilities as low as three- quarters of a mile. In addition, there are
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two non- precision Very High Frequency Omni Range ( VOR) approaches, one to Runway 7 and
the other to Runway 25, and a published Standard Instrument Departure ( SID) profile.
Facilities at the Oxnard Airport consist of the passenger terminal building and paved
automobile parking for 350 passenger vehicles and ten employee vehicles. Access to the
terminal building is provided by West Fifth Street, a two- lane paved road. In addition, limited
access is provided by Patterson Road. The terminal building itself is a modern structure
consisting of approximately 10,000 square feet of usable space. Other facilities include
maintenance shop, generator building, restrooms, warehouse, residence and sheds.
There are an estimated 140,000 annual aircraft operations at the Oxnard Airport, 90% for
general aviation activities, 5% combined air taxi and commuter, and the remaining 5% used by
helicopters. Oxnard Airport is served by three regional air carriers, which offer 18 daily flights
to such market areas as Los Angeles, Sacramento and Santa Barbara.
Camarillo Airport
The Camarillo Airport, owned and operated by the County of Ventura, was formerly known as
the Oxnard Air Force Base. It is located three miles southwest of the center of the City of
Camarillo and lies within the city limits. The city is 45 miles northwest of Los Angeles and 379
miles south of San Francisco and borders the Ventura Freeway ( Highway 101). Camarillo lies
within the Oxnard Plain approximately eight miles northeast of the Pacific coastline.
The Camarillo Airport encompasses 753 acres within both City and County jurisdictions.
Although the airport lies within the city limits, the airport is owned and operated by the County.
The portion of the east/ west runway ( Runway 8/ 26) which is being used for general aviation
aircraft is 6,020 feet long by 150 feet wide. Presently, the runway is served by a non- precision
circling Very High Frequency Omni Range ( VOR) instrument approach to the airport, which
allows a pilot to descend to a decision height of 641 feet above ground level ( AGL) in
instrument meteorological conditions before making a circling approach to the runway. The
new FAA control tower began operation at the airport in 1991. The FAA's ten employees
operate the facility for 14 hours each day.
Facilities at the Camarillo Airport consist of a small ( 4,000 square foot) administration building,
and adjacent public parking for approximately 50 automobiles. A total of four large hangars,
six medium and 292 small hangars ( 122 County owned and 170 private) are located at the
airport. Numerous former Air Force structures still exist at Camarillo Airport and are now being
used for various uses ( Refer to Section 4.11.3.2 for a discussion of County facilities at
Camarillo Airport). Access to the airport is provided by the Ventura Freeway ( Highway 101) to
Las Posas Road ( four lane/ paved) and Pleasant Valley Road ( two lane/ paved).
For 1990, there were an estimated total of 222,000 annual aircraft operations at the Camarillo
Airport, 93% for general aviation activities, 4% were Air Taxi operations, and the remaining 3%
were helicopter activities.
4.2.4.2 Federal Airports
Naval Air Weapons Station Point Mugu
The 4,500 acre Naval Air Weapons Station ( NAWS) and Warfare Center Weapons Division
Headquarters ( NAWCWPNS) is located at the western end of the agricultural lands of the
Oxnard Plain, six miles southeast of Oxnard and 7- 1/ 2 miles southwest of Camarillo. The
Ventura County and Point Mugu Game preserves ( private clubs not associated with the Navy)
are located to the northwest of the base with the Camarillo State Hospital 4 miles northeast.
The base is flanked by the Santa Monica Mountains on the east and the Pacific Ocean to the
south. The facility was originally developed during World War II as an extension of the base at
Port Hueneme and the early operations were those associated with the training of Seabee
personnel.
From 1946 to the present, the mission and the facilities at Point Mugu rapidly expanded. In
1948, Congress appropriated funds for land acquisition and military construction. In 1949, the
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Naval Air Station ( NAS) was commissioned. The steel planking of Runway 09/ 27 was
upgraded and in 1953, Runway 03/ 21 was built. Sand was pumped into the surrounding
marshes to accommodate the construction of new buildings, hangars, shops, offices, and
laboratories. By 1958, the Naval Air Missile Test Center became the Pacific Missile Range
with a growth of from 612 employees in 1946 to 4,800 employees. In 1992, the role of
NAWCWPNS Point Mugu in the local economy was substantial. Approximately 2,700 military
personnel are assigned to Point Mugu. Total military and civilian employment, including
contractors, is approximately 9,000. Expenditures resulting from the operation of Point Mugu
are approximately $ 262,000,000 annually.
NAWS Point Mugu falls under the command structure of NAWCWPNS, but is a separate
command with its own charter. NAWS Point Mugu has been assigned the following functions:
• serve as an " all weather" air station,
• provide search and rescue services,
• maintain and operate an air terminal,
• provide radar approach/ departure control services for the Oxnard Plain area,
• maintain and operate Outlying Field San Nicolas Island,
• perform services in support of the NAWCWPNS,
• provide administrative and military control of naval facilities at Channel Islands, and
• provide operational, logistic, and administrative support to tenants and assigned
activities.
The primary mission of NAWCWPNS at Point Mugu is to perform development test and
evaluation; development support and follow- on engineering; logistics and training support for
naval weapons, weapons systems and related devices; and associated activities.
NAWCWPNS Point Mugu also maintains facilities away from the main station including
facilities at the Camarillo Airport, the Port Hueneme Naval Complex, Laguna Peak, and the off-shore
islands of San Nicolas ( 10,000' runway), Santa Cruz, San Miguel, and Santa Rosa.
NAWCWPNS Point Mugu also maintains a 30,000- square- mile air/ sea missile test range.
In performance of their missions, Navy Units at Point Mugu require many varied and different
types of aircraft. The on- base military aircraft fleet generally consists of approximately 120
aircraft. Several of these aircraft are associated with reserve squadrons.
The primary N/ S runway 03/ 21 measures 11,100' x 200' and is utilized basically by the fixed
wing military aircraft. The shorter E/ W runway, 09/ 27 measuring 5,500' x 200', is used by light
planes, helicopters and air club planes. However, either runway can be used by any type of
aircraft as the use of the runway varies with wind, weather, demand and other factors. Aircraft
operations at Point Mugu are directly proportional to the levels of missile testing and
requirements for pilot training which occur at the facility. Point Mugu maintains an air traffic
control center which controls all aircraft in southern Ventura County. A military approach
control facility and control tower provides service seven days a week.
The number of aircraft operations at Point Mugu is in excess of 200,000 per year. Hours of
operation of the airfield are normally between 6 a. m. and 10 p. m. daily and closed on holidays.
In reality, however, utilization of the airfield is very low in the early morning and evening hours.
The peak days of activity at Point Mugu usually occur on Wednesdays or Thursdays, whereas
the least active day is Sunday. Peak hours vary from day to day, depending on changing
mission requirements.
Channel Islands Air National Guard Base
The 146 Tactical Airlift Wing officially dedicated a new 208 acre installation September 1990.
This property is north of Pt. Mugu NAWS and is at the intersection of Hueneme and Navalair
Roads.
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This California Air National Guard Wing relocated their C- 130 aircraft from Van Nuys Airport
beginning in 1989. Daily operational control and management is focused out of the State of
California, Office of the Adjutant General with fiscal and liaison management being focused
from the National Guard Bureau ( Air) in Washington D. C. A technical force of 286 civilians, 25
contract employees, and 52 active duty personnel ensure weekday operations meet expected
standards. The unit uses the Pt. Mugu NAWS runway via a connecting 2,500 foot taxiway
annexation for aircraft operations. Expected normal operations average 30 operations per day
between 8: 00 a. m. and 10: 00 p. m. Monday through Friday, with an additional five return flights
on weekends.
Operations increase when this unit is tasked for Fire Support Missions in conjunction with the
U. S. Forest Service or The California Department of Forestry. The mission of this unit is to
train assigned units military war skills totalling over 1,500 personnel during Unit Training
Assemblies held once a month and various two week active duty assignments. The Wing is an
operational unit under the Air Force Air Mobility Command ( AMC).
4.2.4.3 Private Airports and Landing Strips
The privately owned Santa Paula Airport is located within the city limits, south of State Highway
126. The airport is owned by the Santa Paula Airport Association, Ltd. and is operated by the
owners ( stockholders). Currently there are several airport related businesses located at the Santa
Paula Airport including the Santa Paula Flight Center which provides parts, supplies, instruction,
fuel and maintenance, the airport cafe plus additional aircraft related businesses.
Airport facilities include an asphalt paved runway 04/ 22, 2650' x 45'. There are 119 hangars with
88 tie- downs. Virtually all of the estimated 52,400 annual aircraft operations at the airport involve
general aviation aircraft. There is no tower, thus limiting hours of operation to daytime only.
Helicopters also operate out of this facility.
Finally, there are a few privately owned and operated landing strips scattered throughout the
County.
4.2.5 Harbors
The Port of Hueneme is located entirely within the City of Port Hueneme. Serving as California's
only deepwater port between Los Angeles and San Francisco, the Port of Hueneme's area of
influence extends far into the southwestern United States and Western Canada.
The port is administered by the Oxnard Harbor District, which has jurisdiction over approximately
70 acres of onshore area and ten acres of waterway; the remainder of the harbor is under U. S.
Navy jurisdiction.
The Oxnard Harbor District was formed for the purpose of the development of a harbor at the Port
of Hueneme and the subsequent improvement and operation of that harbor. The District is
empowered by its authorizing statute and by the California Harbors and Navigation Code ( Sections
6000 et seq.) to acquire, construct, own, operate, control, or develop any and all harbor works or
facilities within the limits of its established boundaries. This district is governed by five elected
harbor commissioners. The Oxnard Harbor District Board of Harbor Commissioners' primary goal
continues to be the attraction of ocean cargo business. To the extent that the development of the
ocean freight business will not be inhibited, the Board of Harbor Commissioners' goal has been to
maximize revenue and create additional employment by encouraging the utilization of the Port of
Hueneme facilities by the offshore oil industry and from other activities in which the District may
legally engage.
The District's current operations involve only the ownership and operation of the commercial
portion of the Port of Hueneme which consists of about one- third of the total Port of Hueneme
complex. The balance is owned and operated by the U. S. Navy. The District is not connected in
any way with the two marinas in Ventura County ( Channel Islands Harbor and Ventura Harbor)
which are under separate governing bodies.
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The Port was constructed in 1938 onshore from Hueneme ( submarine) Canyon. Tidal currents and
flushing action keep the depth of the harbor relatively constant. The harbor is man made, and
connected to the open sea by a jetty protected entrance channel. The outer part of the entrance
channel terminates at the head of a submarine canyon which offers an excellent deepwater
approach. Only occasional dredging is needed to maintain harbor depths ranging from 35 to 32
feet.
The uses of the existing ten acre water area within the Harbor is divided into four categories:
• Deep draft berths - The primary deep draft berths at the Port are three at Wharf 1 and two at
Wharf 2. The water depth at MLLW ( Mean Lower Level Water) is a minimum of 35' at berths of
Wharf 1 and 32' MLLW at Wharf 2.
• Shallow draft moorings - Although the Port has no shallow berths as such, moorings are
provided at the east end of the east- west channel for commercial and sport fishing boats.
• Turning basin - The central water area within the Port is a turning basin capable of
maneuvering ships up to 900 feet in length. This area is not used for any other purpose.
• Entrance channel - The entrance channel is approximately 400 feet wide, with a navigable
channel in the center about 300 feet wide. The channel provides a short run for vessels
entering the harbor from the coastal shipping lanes or the open sea. The Channel Entrance
Wharf can moor medium draft vessels.
The Port has six wharfs. Wharf 1 ( South Terminal), is 1,800 feet long and Wharf 2 ( North
Terminal), is 1,400 feet long. They are used for cargo transfer, tanker lightering, and servicing oil
supply vessels. Through a sharing agreement with the U. S. Navy, Wharves 3 through 6 may be
used by commercial vessels if the commercial wharves are full. There are slips for commercial
fishing vessels and sportfishing vessels. Offshore oil platform supply vessels generally dock
alongside Wharf 1 or Wharf 2.
The Port of Hueneme handles a variety of commodities in addition to offshore oil and gas supplies.
These include automobiles, bananas, citrus and fresh fruit, cannery fish, livestock, lumber, fuel,
wood pulp, water, pipe, and other general cargo. The tonnage shipped through the port has
increased steadily since 1971, when additional dredging operations allowed access of deeper draft
ships. ( Port dredged from 32' Mean Lower Level Water ( MLLW) to 35' MLLW in 1975).
The Oxnard Harbor District was authorized by the U. S. Congress in 1983 to acquire approximately
18 acres of land and about 650 feet of Wharf directly across from the commercial pier ( Wharf 1).
The Wharf was constructed on land acquired by the Navy through condemnation at the beginning
of World War II ( 1942). The expanded facilities, including modern terminal facilities, will increase
port capacity both in terms of vessels and cargo tonnage. For example, Mercedes Benz and BMW
started importing automobiles in 1988. The acquisition and expansion of the port will increase its
cargo throughput capacity from 420,000 tons to over 800,000 tons.
The main vehicular access to the harbor area from Highway 101 is via Las Posas Road/ Hueneme
Road at this time and will be via the Rice Road bypass at some time in the future. Established
truck routes exist on Harbor Boulevard and Victoria Avenue, Channel Islands Boulevard and
Ventura Road. The Pacific Coast Highway ( State Route 1) via Hueneme Road provides additional
circulation to and from the south.
The Port of Hueneme is served by the Ventura County Railway Company with both northern and
southern access. The northern line extends through the U. S. Naval Construction Battalion Center
and provides rail service to Wharf 2. The southern line enters the Port of Hueneme from the east
along an alignment south of Hueneme Road.
4.2.6 Pipelines
Major pipelines within Ventura County carry crude oil and natural gas, generally along highways
and railroad lines. The major crude oil and natural gas pipelines traversing Ventura County are
owned by ARCO, Chevron, Mobil, Shell, Texaco and Union Oil. Most oil companies which have
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operations in Ventura County have pipelines located within their oil/ gas lease areas, but do not
operate major transporting pipelines. Four Corners Pipeline Company, a subsidiary of ARCO, is a
private pipeline company regulated by the Public Utilities Commission that transports crude oil
through their own lines and connects to other pipelines as needed. Four Corners Pipeline
Company operates only their own pipeline facilities, and does not own any crude oil. There is also
an existing Southern California Edison fuel line originating within the Oxnard Harbor District which
connects to the Ormond Beach Generating Station. Refer to Figure 4.2.5 for a map showing
Energy Pipelines and Storage Facilities.
4.2.7 Conclusions
While the existing County Regional Road Network is generally adequate to meet present travel
demands, Ventura County is confronted with the potential for significant population growth by the
year 2010. This projected increase in population will place a major strain on the County's Regional
Road Network. To meet this challenge, the Goals, Policies and Programs of the General Plan
must address means of moving people and goods in the most efficient and cost effective manner
possible, including expansion of the existing road network, encouraging alternate transportation
modes ( ridesharing, bicycling, transit, etc.), and disbursing peak traffic demand to better utilize the
existing road network.
The Goals, Policies and Programs of the General Plan also encourages continued land use
compatibility around existing airport facilities. To evaluate the total circulation system, it is
important to also consider all forms of transport including pipelines which move oil and gas through
fixed systems. The General Plan Goals, Policies, and Programs provide the basis for improving
the circulation and transportation network in Ventura County in a complementary manner with the
Land Use Portion of the General Plan.
References:
Roads and Highways
CALTRANS, 1993 Traffic Volumes Report.
Southern California Association of Governments ( SCAG), Prepared for County of Ventura Public
Works Agency ( PWA), Transportation Department and County Planning Division and CALTRANS,
Draft Ventura County Area Transportation Study, ( VCATS), June 1987.
State of California CALTRANS, Cross- Section Information Freeways/ Express- ways, 1987.
State of California, 1986 STIP ( State Transportation Improvement Plan), Funding Program.
Ventura County PWA - Transportation Department, 1993 Road Index Inventory.
Ventura County PWA - Road Standards, January 1993.
1993- 99 RTIP ( Regional Transportation Improvement Plan) Funding Program.
Final Engineering Report, Traffic Impacts Mitigation Fee Analysis, Phase I, July 1994.
Transit Service
Ventura County PWA - Transportation Department, FY 87/ 88 - 90/ 91 Ventura County Short Range
Transit Plan, June 1987.
Railroads
Pacific News, " The Ventura County Railway – Part One: Beginnings - From Beets to Mazdas,"
January 1985, p. 10- 15.
Pacific News, " The Ventura County Railway - Part Two: Mazdas and Movies," February 1985, p.
11- 16.
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Airport Facilities
Michael Brandman Associates, Inc., in association with Foresite Group, Final Environmental Impact
Report on the Camarillo Airport Master Plan, June 1986.
Michael Brandman Associates, Inc., in association with Foresite Group, Final Environmental Impact
Report on the Oxnard Airport Master Plan, April 1987.
PRC Engineering, Inc., Camarillo Airport: Airport Noise Control and Land Use Compatibility Study,
October 1984.
PRC Engineering, Inc., Oxnard Airport: Airport Noise Control and Land Use and Land Use
Compatibility Study, October 1984.
R. Dixon Speas Associates, Inc., Air Installation Compatible Use Zone Study Pacific Missile Test
Center, Naval Air Station, Pt. Mugu, June 1977.
Ventura County, Department of Airports Goals and Objectives 1986- 87.
Harbors
Dames & Moore, Oxnard Harbor District: Finalizing Addendum, Environmental Impact Report,
Amendment to Port Master Plan and Wharf No. 2 Project, Port of Hueneme, May 1986.
Individuals Consulted:
Roads and Highways
Ken Gordon, Ventura County Public Works Agency - Transportation Department
Rich Guske, Ventura County Public Works Agency - Development and Inspection Services Division
Al Knuth, Ventura County Public Works Agency - Transportation - Deputy Director
Steve Manz, Ventura County Public Works Agency - Transportation Department
Transit Service
Rob Blanche, Ventura County Air Pollution Control District
Mary Travis, Ventura County Public Works Agency - Transportation Department
Railroads
Carmen Chappell, General Manager - Ventura County Railway Co.
Lynn Gale, Southern Pacific Transportation Company - Van Nuys
Airport Facilities
Lt. Colonel W. Fred Clabuesch, Air National Guard, 146th Tactical Division, Van Nuys
Ray LuCasey, Public Information, Department of the Navy - Pt. Mugu
Jim O'Neill, Ventura County Airport Director
Harbor
Robert K. Harmuth, Director of Operations - Port Hueneme
Pipelines
M. A. Bart - Chevron
Tom Binkes - Four Corners/ Arco
Ruth Cronan Fruitt - Mobil
Val Hartley - Shell
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Walter Hernandez - State Fire Marshall's Office
Steve Van Winkel - Union Oil
Wayne H. Waterman - Texaco
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Figure 4.2.2
Average Daily Traffic ( ADT) Level of Service ( LOS) Thresholds -
County Roads/ Conventional State Highways, and Freeways Table
Average Daily Traffic ( ADT) Level Of Service ( LOS) Thresholds
County Roads And Conventional State Highways
Class I Class II Class III
LOS
2 Lanes 4 Lanes 6 Lanes 2 Lanes 2 Lanes
A 2,400 19,000 29,000 1,500 350
B 5,600 28,000 42,000 3,900 2,000
C 10,000 38,000 57,000 7,000 3,300
D 16,000 47,000 70,000 11,000 5,900
E 27,000 58,000 87,000 21,000 16,000
ADT/ LOS Thresholds
Freeways
LOS 4 Lanes 6 Lanes 8 Lanes 10 Lanes
A 31,000 46,000 62,000 77,000
B 48,000 71,000 95,000 119,000
C 68,000 102,000 136,000 169,000
D 82,000 123,000 164,000 205,000
E 88,000 132,000 176,000 220,000
SOURCE: Ventura County Public Works Agency 9/ 94 R. 12/ 20/ 94
17
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4.3 Water Supply Facilities
This section focuses on the supply, storage and delivery of water to consumers. An important
companion text to the following is the Water Resources Section in the Resources Appendix. That
section addresses the quality and quantity of ground, surface and reclaimed water that is available
within the County.
4.3.1 Water Sources
Ventura County's water supply is obtained from three major sources: groundwater ( 67%), surface
water ( 11%), and imported water ( 22%). A small amount of reclaimed water ( less than %) a lso is
used.
4.3.1.1 Groundwater
Groundwater is the single most important source of water; as of 1991 it provides about 67% of the
water utilized in the County. Agricultural demand accounts for an estimated 86% of the total
demand for groundwater in the County. Of the total water demand in 1991, 285,100 acre feet ( AF)
came from local groundwater sources. Because it is estimated that the local groundwater basins
can safely supply only about 242,000 AF countywide, water users are extracting at least 43,000 AF
more than is being naturally and artificially replenished. Groundwater is pumped extensively by
individual well owners and purveyors. Purveyors either wholesale water to other purveyors or
make deliveries directly to individual users. Since more groundwater is used than is replaced,
overall, the County's groundwater reserves are slowly decreasing.
The County's groundwater supply is contained within five major aquifers. The aquifers are the
Oxnard, Mugu, Hueneme, Fox Canyon, and Grimes Canyon. Both the Oxnard aquifer in the
Oxnard Plain area and the Fox Canyon aquifer are being overdrafted. This overdrafting of the local
water supply has caused a number of problems, most notably seawater intrusion in the Upper
Aquifer system of the Oxnard Plain. Projects are currently underway to remedy the seawater
intrusion problem caused by overdraft in the Oxnard Aquifer Zone, such as the new Vern Freeman
Diversion and the Pumping Trough Pipeline ( see below).
4.3.1.2 Surface Water
Surface water resources in Ventura County are divided into two major hydrologic units ( the Ventura
River and Santa Clara- Calleguas Units) and into four other smaller hydrologic units ( Rincon Creek,
Cuyama, San Joaquin, and the Malibu Hydrologic Units). Refer to Figure 4.3.1 for a map of the
major surface water sources in Ventura County.
Surface water is taken from Lake Casitas, Lake Piru and diversions from the Santa Clara and
Ventura Rivers. As of 1985, it provided approximately 11% of the total water utilized in Ventura
County. The primary source of surface water, Lake Casitas, is maintained by the Casitas Municipal
Water District, which engages in both retail and wholesale sales of the lake's water. The Casitas
Municipal Water District wholesales water to retailers for municipal, industrial, and agricultural uses
within the Ojai Valley and the City of Ventura. The District also retails water directly to some users
in the Ojai Valley and the North Coast of the County. Santa Clara River water is diverted by the
United Water Conservation District to spreading grounds where it recharges the groundwater
basin. The United Water Conservation District operates and maintains Lake Piru, the Freeman
Diversion, and associated spreading grounds along the Santa Clara River. The District diverts
Santa Clara River water to replenish the groundwater and to a number of water agencies on the
Oxnard Plain. Several water purveyors and individuals also use some Santa Clara River water.
Ventura River water is diverted by the City of Ventura for use in the City's system. Some water is
diverted from the Santa Clara and Ventura Rivers by individuals.
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20
4.3.1.3 Imported Water
Imported water is obtained by Calleguas Municipal Water District ( CMWD) from the Metropolitan
Water District of Southern California ( MWD) for delivery to purveyors in the southern and eastern
portions of the county which includes the Cities of Thousand Oaks, Simi Valley, Moorpark,
Camarillo and Oxnard. Since 1985, imported water, which is State Project water, amounts to about
22% of the water utilized in the county. The Casitas MWD, United WCD, and the City of Ventura
have jointly studied the feasibility of constructing various types of distribution facilities to import
additional State Project water, to which they collectively hold a yearly entitlement of 20,000 acre
feet. Studies to obtain additional State Project Water are continuing, including analysis of the
appropriate institutional and financial arrangements. United WCD ordered their portion of the
entitlement ( 5,000 AF/ Y) to be delivered from Pyramid Lake via Piru Creek to United's Lake Piru
Reservoir. However, due to California Department of Water Resources ( DWR) cutbacks, United
MWD received only 1,500 AF during 1991.
4.3.2 Water Users/ Suppliers
Figure 4.3.3 shows water demands in Ventura County.
As of 1990, there were more than 178 water purveyors in Ventura County, which include six city
systems, eight privately owned companies, four other public water purveyors, 20 special water
districts, and more than 100 mutual water companies and other public and private systems of
varying sizes ( Navy bases, Navy housing, mobilehome parks, etc.). Refer to Figure 4.3.4 for a list
of water purveyors in Ventura County and Figure 4.3.5 for a map of major water wholesalers. It is
estimated there are about 2,000 individual well owners who obtain their own water directly. Of the
groundwater pumped in Ventura County, less than one third is delivered by a water system. Most
of the groundwater pumping in Ventura County is done by individual well owners.
Figure 4.3.6 summarizes the Ventura County water districts that serve incorporated cities and
unincorporated urban areas.
4.3.2.1 Agricultural Water
Ventura County obtains, as of April 1990, approximately 86% of the water required for agricultural
uses from its groundwater. The remaining 14% is obtained from surface water ( Lake Casitas and
Santa Clara River), imported water and reclaimed water. The ratio of groundwater used relative to
other sources is expected to decline somewhat by the year 2010 due to the decline in agricultural
demand on groundwater by individual farmers, coupled with the likelihood that those water
purveyors providing surface water to agricultural users will continue to do so. The availability and
use of imported water for agriculture will depend on its cost and the policy of purveying agencies.
Most local farmers obtain their water from their own wells. Their cost for water is based on energy
use, annual maintenance costs, and in some areas extraction charges assessed by United WCD
and the Fox Canyon Groundwater Management Agency.
Demand from the agricultural sector is decreasing. Countywide demand for agricultural use is
forecasted to decline by about 35,000 acre feet by the year 2010. As most of the County's
agricultural demands are met by groundwater, and since overall surface supplies will actually
increase due to the Pumping Trough Pipeline and Freeman Diversion projects, the decline in
groundwater extraction for agriculture may be as high as 40,000 acre feet. To the extent reclaimed
water is developed for irrigation use, this decrease will be even greater.
The major geographic areas of agricultural water use are discussed below:
Oxnard Plain
At present, Oxnard Plain agricultural users obtain the majority of their water from one of the
five aquifers that underlie the Oxnard Plain. However, there is a County Ordinance restricting
drilling any new Oxnard Aquifer zone wells which could aggravate seawater intrusion. Some
surface water is also obtained from the Santa Clara River by the United WCD and distributed
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by the Pleasant Valley County Water District and other agricultural systems to individual
irrigators.
Over time, agricultural water demand on the Oxnard Plain is expected to decrease, due to the
urbanization of prime agricultural land. In addition, availability of surface water supplies to
meet agricultural demands is expected to increase, due to the construction of the Pumping
Trough Pipeline Project and the improved Vern Freeman Diversion Project ( Figure 4.3.2). This
delivery system was constructed to deal with the County's severe seawater intrusion problem;
it was designed to deliver an additional 12,000 acre feet ( or more) annually of Santa Clara
River water and Lower Aquifer System groundwater, to farmers who are currently using
groundwater from the intruded Upper Aquifer System.
There is considerable potential for use of reclaimed water on the Oxnard Plain. The availability
of such water for agriculture would dramatically decrease the amount of water needed from the
County's groundwater system in the 1990' s. The County has applied for a low- interest State
loan of five million dollars to deliver reclaimed water from Thousand Oaks' Hill Canyon Waste
Treatment Plant into the Pleasant Valley County Water District's distribution system ( Figure
4.3.2).
Santa Clara River Valley
The Santa Clara Valley's agricultural community depends primarily on groundwater for its water
supply, although a small amount of surface water is diverted annually from the Piru Creek and
Santa Clara River. It is anticipated there will be some loss of agricultural land in the area due
to urbanization. By the year 2010 the major source of water for agriculture will continue to be
groundwater. Overall the reduction in demand from agriculture on the groundwater systems
will be offset by an increase in groundwater demand by urban users. In effect, total use of
Santa Clara Valley's groundwater supply is expected to remain approximately constant for the
remainder of the century.
Conejo- Calleguas Basin
This area includes that portion of Ventura County served by the Calleguas Municipal Water
District with the exception of the City of Oxnard. In general, most of the agricultural land in this
area lies in its western portions around the Las Posas Valley, the Santa Rosa Valley,
Moorpark, and adjacent areas. The Conejo- Calleguas area depends to a great extent on
imported water for much of its agricultural uses.
Potential demand for additional reclamation, especially in the Las Posas area, is very high.
The North Las Posas Basin is being overdrafted by 12,000 acre feet/ year ( 1991). By 2000, this
overdraft is expected to increase to 14,600 acre feet/ year due to increasing agricultural
pumping. Fox Canyon Groundwater Management studies indicate that this overdraft will
increase to even a greater amount to 17,800 AF/ year by the year 2010.
Ojai Valley
Agricultural water users in the Ojai Valley obtain their water from two major sources, Lake
Casitas and groundwater. One or two small systems depend on naturally occurring springs. In
addition to the local Ojai Valley demand on Lake Casitas supplies, agricultural users along the
north coast of Ventura County also obtain their water from Lake Casitas, as do several major
oil companies who use Lake Casitas water to extract oil.
The Casitas Municipal Water District provides water from Lake Casitas at both the wholesale
and retail levels for urban and agricultural use. The Casitas MWD is near to supplying the
" safe yield" of the Lake on a regular basis.
Agricultural water demand is expected to decline as irrigated agricultural acreage is supplanted
by urban development. However, the Casitas MWD estimates that up to approximately 3,000
additional acres could come under irrigation by the year 2000. Were this to occur, insufficient
water would be available to meet demand. Casitas MWD, the City of Ventura and the United
Water Conservation District are studying the feasibility of importing State Project Water, to
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which they hold an entitlement of 20,000 AF/ year. Importation of water would enable Casitas
MWD to meet the maximum expected demand.
North Coast
The North Coast area of Ventura County has no significant local groundwater. Water is
supplied by Casitas MWD. Most of the water delivered is used by farmers who have
established avocado orchards in the area. The total water use in Zone 9 ( Rincon) for fiscal
year 1986- 87 was 3,066 acre- feet, of which 2,678 acre- feet were used for agriculture. Casitas
MWD has 514 residential and 12 industrial services in this area.
4.3.2.2 Municipal and Industrial Water Use
In 1985, Ventura County obtains slightly less than one- third of the water used for municipal and
industrial ( M & I) uses from its groundwater. The remaining two- thirds is obtained primarily from
imported supplies ( State Water Project) and from surface water ( primarily Lake Casitas). This ratio
is expected to continue for the remainder of the century, although the demand for groundwater is
expected to increase more slowly than demands on surface and imported water sources.
Overall, M & I water use is expected to increase from a total of 136,000 AF in 1991 to 174,000 AF
in the year 2000 to a total of about 197,000 F for 2010. Countywide, however, total extractions
from the groundwater can be expected to decline only slightly, with the decreasing agricultural use
being largely offset by increasing M & I use.
Information on municipal and industrial water use has been collected at various times by the
County of Ventura. This data base was most recently updated in April 1987. Per capita water use
is estimated based on information from the 16 largest water purveyors in the County. Information
has been assembled for each major urban area in the County; results appear in Figures 4.3.7 and
4.3.8. As can be seen, some areas of the County have experienced gradual increases in per
capita water use over time, others decreased and some areas have fluctuated from year to year.
Overall, current per capita water use is slightly higher in 1986 than in 1983.
The annual average per- capita water use rate countywide in 1986 was 0.209 acre feet ( AF) which
is approximately 68,000 gallons per person per year. The daily per- capita rate was 186 gallons.
The annual per- capita rate includes not only that water used by residents in their homes, but a
proportionate share of water consumed by industries, businesses and public agencies which
indirectly benefits those residents. The 1986 per- capita rate decreased by 0.004 AF from 1985
when the per- capita rate countywide was 0.206 AF. Five cities ( Camarillo, Fillmore, Oxnard, Port
Hueneme and Ventura) had a decrease in per- capita consumption, while two areas in the County
had an increase in per- capita usage ( Thousand Oaks and Oak Park). The remaining cities'
( Moorpark, Ojai, Santa Paula and Simi Valley) per- capita rates did not change.
Forecasts of municipal and industrial water use is based on the following geographic areas:
Oxnard Plain
On the Oxnard Plain, M & I users obtain most of their water from the Calleguas Municipal
Water District ( imported water) and the United Water Conservation District ( groundwater from
the El Rio pumping station). A relatively small amount of M & I water is obtained directly by
water agencies and individuals operating their own wells. Although Port Hueneme and the City
of Oxnard maintain wells drilled into the Oxnard Plain Aquifers, they are used only in
emergency situations. Total M & I demand on the Oxnard Plain is expected to increase
significantly.
The City of Oxnard presently blends city water supplies at a ratio of two parts imported water to
one part groundwater. This ratio is expected to continue indefinitely. Assuming this, Oxnard
will require approximately 13,400 to 15,000 acre feet of groundwater by the year 2000. Other
water systems on the Plain ( which rely entirely upon groundwater) are expected to utilize
approximately 12,600 to 14,500 acre feet of groundwater. The United Water Conservation
District's Oxnard- Hueneme pipeline has a present design capacity of 16,500 acre feet.
Assuming this capacity is not expanded, water systems on the Oxnard Plain can be expected
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to increase extractions from their own wells, because future demand from the M & I users will
exceed the capacity of the pipeline.
Although municipal and industrial demand on the Oxnard Plain groundwater supplies is
increasing, it is anticipated that demands from the agricultural sector will decline. Forecasts
indicate that increases in M & I demand on the groundwater will be offset by decreases in
agricultural demand even though M & I use may require treatment or blending.
Santa Clara Valley
The Santa Clara Valley communities of Fillmore, Santa Paula and Piru depend entirely on
groundwater for their M & I supplies. Increases in M & I due to population growth are expected
to be approximately offset by declines in agricultural use. This is because the urbanization of
the Santa Clara Valley communities will take place almost entirely on agricultural land.
City of Ventura
The City obtains water from five different sources: 1) Lake Casitas water via the Casitas
Municipal Water District, 2) Ventura River surface and groundwater from the Foster Park
Diversion ( via a City pipeline), 3) wells in the Mound Basin, 4) Saticoy Golf Course wells in the
Santa Paula Basin and 5) Buenaventura Golf Course wells in the Santa Paula Basin.
Anticipated population growth in the City of Ventura will require additional water supplies. As
most of this population growth is anticipated to occur in the eastern portion of the City, water
will not be available from Lake Casitas because these areas are beyond the service area of the
Casitas Municipal Water District. Most of the increase in M & I demand in the City of Ventura
will be met by increased groundwater extraction. The City expects to meet future demands
after 1995 with imported State Project Water. The facilities to import this water are currently
under study by the City of Ventura, United Water Conservation District, and Casitas Municipal
Water District.
Conejo- Calleguas Basin
This area represents that portion of Ventura County served by the Calleguas Municipal Water
District ( CMWD). This includes the communities of Moorpark, Oak Park, Thousand Oaks,
Camarillo and Simi Valley ( the City of Oxnard also receives Calleguas water; their water needs
are discussed as part of the Oxnard Plain discussion). Most of the M & I demand in this area is
met through imported water sources provided by the Metropolitan Water District ( MWD)
through facilities maintained by the Calleguas MWD. Some M & I demand is met by water
from the Santa Rosa Groundwater Basin. Any shortfalls would likely be met by some
combination of increased groundwater extraction, expanded water conservation, and/ or
accelerated development of additional local supplies.
Ojai Valley
Communities in the Ojai Valley depend on two primary sources for their M & I water: Lake
Casitas and groundwater. In addition to local M & I users, the City of Ventura diverts about
6,000 acre feet annually at the Foster Park Diversion and transfers the water out of the valley
for use within the City. The City of Ventura also utilizes a portion of the water provided by Lake
Casitas.
Demands on Ojai Valley resources will increase in the future as population increases.
However, the magnitude of increase is less than in most other areas in the County. There will
be relatively modest increases in demand from the Ojai Valley itself on both surface water and
groundwater. The Casitas Municipal Water District may experience difficulties in meeting the
combined M & I and agricultural demand by the early 1990s if additional acreage comes under
irrigation. If irrigation is not extended to new acreage, sufficient water supplies will be available
to the year 2010. The safe yield of the Ojai Valley's groundwater system is not known with
certainty. Casitas Municipal Water District is now carrying out an Ojai Basin Groundwater
Study ( 1988).
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4.3.2.3 Major Water Wholesale Districts
Total water demand projections for users within three major water wholesalers have been prepared
on the basis of Countywide population forecast data adopted by the County Board of Supervisors
on May 5, 1985 ( see Land Use Appendix) and the most recent projections of irrigated agriculture.
Refer to Figure 4.3.9 Casitas Municipal Water District ( Table), Figure 4.3.10 United Water
Conservation District ( Table), and Figure 4.3.11 Calleguas Municipal Water District ( Table).
The three major water wholesalers which provide water to the various retail water purveyors
throughout Ventura County are as follows:
1. The Casitas Municipal Water District provides for both wholesale and some retail sale of water
from Lake Casitas, for delivery in the Ventura River Drainage Area, the North Coast, and the
City of Ventura.
2. The United Water Conservation District is responsible for replenishing some groundwater
systems and for some wholesale deliveries to Oxnard, Port Hueneme, and other smaller
systems on the Oxnard Plain. Lake Piru is United's reservoir for water which is later released,
replenishing underground aquifers. United also operates the Freeman Diversion to direct
Santa Clara River water to spreading grounds, to replenish the Oxnard Aquifer.
3. Calleguas Municipal Water District is responsible for providing imported water to the
southeastern portions of the County and the City of Oxnard.
4.3.3 Conclusions
There are three major approaches towards meeting the future water needs of Ventura County.
These include:
• Importation of State Water Project Water into Ventura County.
• Development of additional water reclamation.
• Water conservation programs.
Regional coordination is another approach in meeting future water needs for Ventura County.
4.3.3.1 Importation of State Water Project ( SWP) Water
According to a June 1987 Feasibility Report prepared by James M. Montgomery, Consulting
Engineers, Inc., their final report, titled, " Feasibility of Importing State Project Water into Ventura
County," presents the results of their engineering, economic and environmental evaluation of
alternative approaches for meeting the future water needs of the County using State Project water.
Four principal alternatives were investigated in their study. These alternatives were:
1. Importation of the 20,000 acre- ft/ yr State Water Project ( SWP) entitlement from Castaic Lake
via a pipeline through the Santa Clara River Valley.
2. Importation of SWP water from Pyramid Lake through Lake Piru with local runoff from Piru
Creek and supplemental local water from Oat Mountain Diversion on Sespe Creek.
3. Importation of SWP water from Pyramid Lake through Lake Piru with flow in Piru Creek
channel to Piru Spreading Grounds and pipeline facilities from Piru Spreading Grounds with
local water from Oat Mountain Diversion on Sespe Creek.
4. Investigation of providing SWP water from Sespe Creek as a local project under the SWP
consisting of one or more dams on Sespe Creek.
A final evaluation of each alternative was conducted on an economic and environmental basis in
conjunction with other important criteria.
Each of the alternatives provides sufficient water to meet the projected needs within the study
period. On the basis of the economic and environmental results and other criteria used in the final
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25
evaluation ( effectiveness, public acceptance, compatibility, constructability, reliability, and
flexibility), Alternative 3 is the most favorable. In terms of effectiveness, flexibility, and compatibility
with existing plans and systems, it is ranked the highest. For the other criteria, it was ranked no
lower than second. It has the lowest unit cost and it has no major adverse environmental impacts.
The recommended project is Alternative 3: Importation of SWP water from Pyramid Lake through
Lake Piru with flow in Piru Creek channel to Piru Spreading Grounds and pipeline facilities from
Piru Spreading Grounds with local water from Oat Mountain Diversion on Sespe Creek and with
individual agency treatment plants. The water would then flow in the creek channel to Piru
Spreading Grounds. From this point, a pipeline system would convey the water to Piru, Fillmore,
Santa Paula and Ventura where individual agency treatment plants would be constructed. A
turnout would be provided at Todd Barranca for groundwater recharge at Saticoy Spreading
Grounds ( Figure 4.3.2).
4.3.3.2 Water Conservation
The County prepared a " Water Conservation Management Plan" as part of the 208 and
Countywide Planning process, and as a condition of the State Water Resources Control Board
grant for the PTP project. As part of this plan, agricultural and urban water conservation programs
have been developed. Local agencies, cities and water purveyors are voluntarily responsible for
implementing these programs. A " Water Conservation Coordinator" is employed within the County
Planning Department. The position is being funded jointly by the County, Casitas Municipal Water
District, Calleguas Municipal Water District, and United Water Conservation District.
Various agricultural and urban water conservation measures have been selected for
implementation. They are summarized as follows:
Agricultural Water Conservation Measures:
• Educational Programs/ Information:
• Expand educational services
• Workshops and field tours
• Water system evaluation service
• Pump efficiency testing program
• Centralized irrigation management service
• Evaporation pan program
• Roundtable meetings
• Water Resources
• Forum ( formerly known as the Water Resources Planning Committee)
• Field Demonstrations
• Other Programs:
• Tailwater recovery systems
• Meter availability
• Flexible irrigation scheduling
• Other research
Urban Water Conservation Measures:
• Education and Public Relations:
• In- school education programs
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
26
• Landscape and maintenance education program
• Water usage on bills
• Water conservation literature
• Speaker's bureau
• Water Resources Forum
• System Maintenance:
• Leak detection program
• Systemwide water audits
• Meter calibration and maintenance
• Customer leak detection program
• Regulation/ Policies:
• Landscape review guidelines
• Standard development condition
• Emergency ordinance
• Increasing block rate structure
• Individual meters
• Research:
• New plant and irrigation tests
• Information and new research
4.3.3.3 Regional Coordination
Presently, there may be insufficient comprehensive Countywide planning for water resources. In
some cases, water agencies have conflicting policies and goals; many water problems remain
unresolved. There is a need to correlate data, develop priorities and establish new policies to meet
future water needs of the County. Formation of a Countywide Water Agency has been suggested
as a way to help resolve these other water problems.
However, one regional effort was implemented in December 1990, with the completion of the long
awaited Freeman Diversion Structure ( dam) in the Santa Clara River. The dam is used to divert
seasonal water from the river to United Water Conservation District's aquifer recharge percolation
ponds located in the El Rio area.
References:
Ventura County Annual Report: Water Conservation Management Plan, ( December 1985); for
1985- 86, ( July 1980); for 1986- 87 ( July 1987); and for 1988- 89 ( August 1989).
Montgomery, James M., Consulting Engineers, Inc., Feasibility of Importing State Project Water
into Ventura County, Executive Summary, Pasadena, June 1987.
Ventura County Planning Division, Urban Water Management Plan Joint Supplement to Ventura
County Water Conservation Management Plan, February 1986.
Ventura County Planning Division, Water Conservation Management Plan for Ventura County,
Volumes I- III, December 1983.
Ventura County Public Works Agency, Flood Control and Water Works Department, Fox Canyon
Groundwater Management Agency Task Index, from February 1984 to Present.
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
27
Individuals Consulted:
Dick Barnett, Casitas Municipal Water District
Ron Morgan, United Water Conservation District
John Munday, City of Ventura Water Department
Rick Farnsworth, County of Ventura Water Resources Department
John Turner, County of Ventura Water Resources Department
Jane Haggerty, Ventura County Planning Division
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Figure 4.3.3
Ventura County Water Resources - 1985 Facts And Figures
( Table)
Countywide Water Use By Source
( in acre feet per year)
User Groundwater Surface Water Imported Water Total
Municipal/ Industrial ( M& I) 36,000 14,000 80,000 130,000
Agricultural 237,000 30,000 10,000 277,000
273,000 44,000 90,000 407,000
Percentage Of Water Used By Type Percentage Of Water Used By Source
Agricultural Use 68% Surface Water 11%
Municipal/ Industrial Use 32% Groundwater 67%
Imported Water 22%
Reclaimed Water Use - Current Water Prices ($ per acre foot)
Private wells $ 40 - $ 120
Agricultural rate* $ 35 - $ 300
M& I rate* $ 180 - $ 410
1,500 acre feet per year
* = retail rate
Note: Some figures included on these pages are actual usages derived from water use survey results ( such
as M& I use). Other numbers ( such as total agricultural use and total groundwater use) are estimates based
on number of irrigated acres of farmland, estimated average consumptive use rates for crops and other
information. This is due to the fact that many groundwater wells in the county do not have a water meter
measuring actual use.
Countywide Population = 620,000
Average Per Capita Water Usage = 0.22 acre feet/ person/ year, or 71,720 gallons/ yr., or 196 gallons/ day
( includes residential, commercial and industrial use)
Percentage Of People In County Using Imported Water ( M& I users) = 62%
Percentage Of Agricultural Water Use Coming From Groundwater = 86%
Reference Documents:
Ventura County Water Conservation Management Plan
Ventura County 208 – Water Quality Management Plan
Ventura County Urban Water Management Plan
Water Use Survey Conducted of Local Water Agencies
United Water Conservation District Annual Report on Groundwater Conditions
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Figure 4.3.4
Water Purveyors In Ventura County ( List)
Cities
Camarillo
Fillmore
Oxnard
Port Hueneme
San Buenaventura
Thousand Oaks
Special Districts
Calleguas Municipal Water District
Camrosa County Water District
Casitas Municipal Water District
Channel Islands Beach Community Services
District
Colonia Municipal Water District ( paper)
Del Norte Municipal Water District ( paper)
Hidden Valley Municipal Water District
( paper)
Meiners Oaks County Water District
Ocean View Municipal Water District ( paper)
Pleasant Valley County Water District
Pleasant Valley Municipal Water District
( paper)
Russell Valley Municipal Water District
( paper)
San Antonio Water Conservation District
United Water Conservation District
Ventura County Waterworks District No. 1 -
Moorpark
Ventura County Waterworks District No. 8 -
Simi Valley
Ventura County Waterworks District No. 16 -
Piru
Ventura County Waterworks District No. 17 -
Bell Canyon
Ventura County Waterworks District No. 19 -
Las Posas Valley
Ventura River County Water District
Other Public Water Purveyors
Camarillo Utilities Enterprise ( Airport)
Camarillo State Hospital
U. S. Naval Air Station, Point Mugu
Sheriff's Honor Farm
PUC- Regulated Private Water
Purveyors
California American Water Company ( Village
District)
California Water Service Company ( Westlake
Village)
Metropolitan Water Company ( Oak Park)
Rio Plaza Water Company
Santa Paula Waterworks, Incorporated
Southern California Water Company ( Ojai)
Southern California Water Company ( Simi
Valley)
Warring Water Company ( Piru)
Figure 4.3.4
Water Purveyors In Ventura County ( List)
( cont’d.)
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32
Mutual Water Companies And Other Private Water Companies
Academy MWC
Aliso MWC
Alta MWC
Arroyo Las Posas
Arroyo Mobile Home Park
Berylwood Heights MWC
Bixby Balcom Water
Association, Inc.
Brownstone MWC
Calcara Conejo Trailer Park
Casitas MWC
Cloverdale MWC
Community MWC
Crestview MWC
Cypress MWC
Damasos Leonos
Del Norte MWC
Dempsey Road MWC
Elkins Ranch Company
El Rio MWC
Epworth MWC
Evergreen Trailer Park
Fairview Ranches MWC
Farmers Irrigation Company
Fillmore Irrigation Company
Fillmore West Trailer Park
Fortress MWC
Fuller Falls MWC
Garden Acres MWC
Glenn View Mobile Home
Park
Goodenough MWC
Gridley Road Walter Group
Hermitage MWC
Lake Sherwood MWC
La Loma Ranch MWC
Las Lomas Water System
Limoneira Ranch
Mesa Water Co.
Middle Road MWC
Montalvo MWC
Navalaire Mobile Home Park
New Camp Bartlett
North Drown Water
Association
Nyeland Acres MWC
Old Creek Road MWC
Oviatt Water Association
Oxnard MWC
Oxnard Lemon MWC
Plaza Mobile Home Park
Pleasant Valley MWC
Rancho del Cielo
Rancho Matilija MWC
Raytheon Company
Rincon Water and Road
Works, Inc.
Rio Manor MWC
Rissman MWC
Royal Duke Mobile Estates
San Cayetano MWC
Santa Rosa MWC
Saviers Road MWC
Senior Canyon MWC
Sherwin Acres MWC
Siete Robles MWC
Silver Wheel Ranch Mobile
Home Park
Sisar MWC
Solano Verde MWC
South Mountain MWC
Southside Improvement
Company
Strickland Acres MWC
Sulphur Mountain Pipeline
Association
Teague McKevitt Ranch
Teal Club MWC
Thermal Belt MWC
Thermic MWC
Thomas Aquinas College
Tico MWC
Timber Canyon MWC
Tobak Ranch MWC
Tradewinds Mobile Home
Park
Tres Condados Girl Scout
Council
Valley Trailer Villa
Villanova Road Water Well
Vineyard Avenue Acres MWC
Vineyard Avenue Estates
MWC
Vineyard MWC
White Stallion Ranch MWC
Yerba Buena Water Company
Zone MWC
Source: Draft, Local Agency Formation Commission Water Purveyors Study, October 1987
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Figure 4.3.6
Major Municipal And Industrial Retail Water Purveyors for
Ventura County Cities And Unincorporated Areas ( Table)
Suppliers City Served Suppliers City Served Suppliers Unincorporated Area
Served
California
American Water
Company
Thousand Oaks
( part)
City of Port
Hueneme Water
Department
Port Hueneme
Casitas Municipal
Water District**
North Coast and Ojai
Valley
California Water
Service Company
Thousand Oaks
( part)
City of San
Buenaventura Water
Department
San
Buenaventura
Channel Islands
Beach Community
Services
Hollywood by the Sea,
Silver Strand and Channel
Islands Harbor Area of
Oxnard
Camarillo City
Water Department
Camarillo
City of Thousand
Oaks Water
Department
Thousand Oaks
( part)
Meiners Oaks
County Water
District
Meiners Oaks ( part)
Camrosa County
Water District
Camarillo
County Waterworks
District # 1
Moorpark
Metropolitan Water
Company
Oak Park
City of Fillmore
Water Department
Fillmore
County Waterworks
District # 8
Simi Valley
( part)
Ventura River
County Water
District
Oak View and Oaks
Meiners ( part)
City of Oxnard
Public Works
Department
Oxnard
Santa Paula
Waterworks District
Santa Paula
Warring Water
Service
Piru
Southern California
Water Company
Ojai and Simi
Valley ( part)
Source: Ventura County Resource Management Agency, Planning Division, September 1987
* Also a wholesale supplier to various minor purveyors within the same area.
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
35
Figure 4.3.7
Ventura County 1991 Water Survey Table
Historic Per Capita Use ( acre feet/ year)
City Population1
M & I2
Water
Use ( acre
feet) 3
1983 1984 1985 1986 1987 1988 1989 1990 1991
Camarillo 4 58,755 9,970 0.20 0.25 0.25 0.23 0.23 0.25 0.25 0.24 0.17
Fillmore 12,431 1,925 0.18 0.22 0.21 0.20 0.17 0.17 0.21 0.16 0.15
Moorpark 26,173 6,334 0.30 0.26 0.28 0.28 0.25 0.31 0.24 0.28 0.24
Oak Park 5 13,355 2,400 0.18 0.24 0.19 0.21 0.23 0.25 0.27 0.24 0.18
Ojai 8,127 1,523 0.17 0.21 0.22 0.22 0.22 0.24 0.22 0.30 0.19
Oxnard 146,432 18,091 0.15 0.16 0.15 0.14 0.15 0.17 0.16 0.14 0.12
Port Hueneme 19,889 2,733 0.18 0.19 0.18 0.17 NA NA 0.17 0.15 0.14
Santa Paula 25,847 4,041 0.17 0.20 0.18 0.18 0.20 0.18 0.19 0.17 0.16
Simi Valley 101,799 19,569 0.18 0.22 0.21 0.21 0.21 0.23 0.23 0.23 0.19
Thousand Oaks 6 109,488 26,353 0.24 0.29 0.27 0.28 0.28 0.31 0.32 0.32 0.24
Ventura 94,340 15,701 0.20 0.24 0.21 0.19 0.19 0.19 0.21 0.19 0.17
Aggregate 7 616,636 108,640 0.19 0.22 0.21 0.21 0.21 0.23 0.23 0.22 0.18
NA = Not Available.
1 California Dept. of Finance Population Estimates
2 Municipal and Industrial
3 One Acre Foot = 325,850 gallons
4 Camarillo Population and Water Use includes portions outside the city limits that are served by the Camrosa Water
District
5 Oak Park is an Unincorporated Growth Area
6 Thousand Oaks Population and Water Use includes Newbury Park which is served by the California- American Water
Company
7 Does Not Include Non- Growth Areas outside cities
Source: Ventura County Water Conservation Program - Sept. 1992
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
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Figure 4.3.8
Ventura County 1991 Urban Water Survey Table
Supply By Source For All Water Uses ( Including Agricultural Uses Within Cities) Municipal/ Industrial Use ( Acre- Feet/ Year) Ag. Use
( Ac Ft/ Yr)
City Water Purveyor Groundwater Surface
Water
Imported
Water
Reclaimed
Water Total Comm'l Indust'l Residt'l
Other
( Parks,
Etc.)
M& I2
Total Ag Total
Camarillo City of Camarillo 3,309 0 2,670 0 5,979 761 169 3,154 719 4,803 997
Camrosa CWD 1,430 0 6,981 0 8,411 451 0 4,140 576 5,167 2,741
Fillmore City of Fillmore 2,364 0 0\ 0 2,364 85 134 1,508 198 1,925 3
Moorpark
Ventura Co. WW Dist.
# 1
1,890 NA 7,774 NA 9,664 565 288 4,039 1,442 6,334 3,284
Oak Park 3 Metropolitan Water Co. 0 0 2,788 0 2,788 124 0 2,061 215 2,400 0
Ojai
Southern California
Water Co.
1,820 284 0 0 2,104 0 0 1,446 77 1,523 71
Oxnard City of Oxnard 5,586 0 13,677 0 19,263 4,094 3,152 10,014 831 18,091 28
Port
Hueneme
City of Port Hueneme 6 0 2,727 0 2,733 NA NA NA NA 2,733 0
Santa Paula
Santa Paula
Waterworks
4,850 1,108 0 0 5,958 1,015 0 2,781 245 4,041 1,479
Simi
Southern California
Water Co.
0 0 6,305 0 6,305 0 79 5,385 525 5,989 0
Valley
City of Simi Valley
Water Works Dist. # 8
64 0 15,277 0 15,341 1,270 163 8,947 3,200 13,580 123
Thousand City of Thousand Oaks 0 0 8,098 0 8,098 847 0 5,695 1,212 7,754 0
Oaks
California Water
Service
0 0 7,159 0 7,159 NA NA NA NA 7,159 0
Cal- American Water
Co.
0 0 12,185 0 12,185 2,157 1,005 7,374 904 11,440 0
Ventura City of Ventura 10,129 4,830 0 665 15,624 5,075 1,247 8,531 848 15,701 0
NA: Not Available
1 California Dept. of Finance Population Estimates
2 Does not include unaccounted for water ( i. e., leaks, unmetered uses, etc.)
3 Oak Park is an unincorporated Growth Area
Note: Variance between supply and use information is a result of data covering slightly different time periods.
Source: Ventura County Water Conservation Program, Sept. 1992
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
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Figure 4.3.9a
Water Demand Projections Within Casitas MWD ( Acre- Feet Per Year)
( Table)
Year Population1 M & I
Demand2
Ag.
Acres3
Maximum
Ag. Acres4
Ag.
Demand5
Maximum Ag.
Demand5
Oil Co.
Demand6
Unaccounted7
Water
Total
Demand
Maximum Total
Demand
1985 52,093 11,460 5,040 6,500 10,080 13,000 3,480 1,020 26,040 28,960
1990 54,678 12,029 5,010 7,050 10,020 14,100 4,500 1,160 27,709 31,789
1995 57,348 12,617 4,980 7,800 9,960 15,600 4,500 1,180 28,257 33,897
2000 59,759 13,147 4,950 8,160 9,900 16,320 4,500 1,190 28,737 35,157
2005 62,162 13,676 4,585 8,160 9,170 16,320 4,500 1,200 28,546 35,696
2010 64,328 14,152 4,220 8,160 8,440 16,320 4,500 1,210 28,302 36,182
1 Based on Countywide population forecast, adopted by Board of Supervisors 5/ 7/ 85
2 Municipal and Industrial demand, based on population forecast times per capita M & I use factor ( 0.22 acre- feet per person per year) taken from the Ventura County Water Conservation
Management Plan.
3 Source of data is the Ventura County General Plan Draft Land Use Appendix.
4 Source: Report on Feasibility of Importing Water into Ventura County ( 1987) Table 2- 4. " The ' maximum' values are based on firm estimates from developments in progress or planned.
Those projects that will be completed before 1990 are added into acreage for that year. The remainder of the firm planned agricultural acreage is added to the 1995 and subsequent years'
acreage." Compiled by Casitas MWD.
5 Based on water use factor of 2.0 acre- feet per acre per year.
6 Source: Report on Feasibility of Importing Water into Ventura County ( 1987). " Actual value used for 1985 but the remaining years represent maximum potential demand for the oil
companies."
7 Source: Report on Feasibility of Importing Water into Ventura County ( 1987) " Percentage of unaccounted water is maintained consistently throughout the Study Period."
All figures in this table are rough estimates. The Casitas MWD is presently ( 11/ 87) preparing a supply/ demand study which will more precisely address this issue.
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
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Figure 4.3.9b
Water Supply Projections Within Casitas MWD ( Acre- Feet Per Year)
( Table)
Year Groundwater1 Lake Casitas1
( city portion)
Lake Casitas1
( remainder)
Imported ( State)
Water Recycled2 Water Total Supply
1985 10,390 9,100 11,250 0 0 30,740
1990 10,000 9,800 10,550 0 1,300 31,650
1995 10,000 10,000 10,350 0 1,300 31,650
2000 10,000 10,000 10,350 0 1,600 31,950
2005 10,000 10,000 10,350 0 1,600 31,950
2010 10,000 10,000 10,350 0 1,600 31,950
1 Source: Report on Feasibility of Importing State Project Water into Ventura County ( 1987), Table 3- 1. All of the groundwater is pumped by retail purveyors and
individuals other than Casitas MWD.
2 Source: 1980 208 Water Quality Plan Appendix IV, Table 9, p. 23. Discussions with Casitas ( 11/ 87) indicate that Casitas does not presently plan to construct
reclamation facilities.
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
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Figure 4.3.10a
Water Demand Projections Within United WCD ( Acre- Feet Per Year)
( Table)
Agricultural Acres3
Year Population1 M & I Demand2 Santa Clara Coastal Plain Ag.
Demand4
Unaccounted
Water5
Total
Demand
1985 264,374 50,231 32,190 32,305 176,754 3,310 230,295
1990 290,346 55,166 32,065 31,435 173,782 3,760 232,708
1995 318,254 60,468 31,935 30,560 170,782 4,060 235,310
2000 352,240 66,926 31,810 29,695 167,826 4,530 239,282
2005 379,365 72,079 30,365 28,610 161,013 4,810 237,902
2010 408,556 77,626 28,915 27,525 154,187 5,090 236,903
1 Based on Countywide population forecasts, adopted by Board of Supervisors 5/ 7/ 85.
2 Municipal and industrial demand, based on population forecast times per capita M & I use factor ( 0.19 acre- feet per person per year). Source: Ventura County
Planning Division.
3 Source of data for Agricultural Acres is the Draft Land Use Appendix and Irrigated Farmland data from the Important Farmlands Inventory.
4 Based on water use factors of 2.41 acre- feet per acre per year for Santa Clara Valley and 3.07 acre- feet per acre per year for Coastal Plain.
5 Values are M & I losses only based on reported data in the Urban Water Management Plans for water agencies within the United District. The percentage of
unaccounted water is maintained consistently throughout the study period.
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
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Figure 4.3.10b
Water Supply Projections Within United WCD ( Acre- Feet Per Year)
( Table)
Santa Clara Valley Coastal Plain
Year
Surface1 Ground
( Feasibility) 2
( County)*
Ground Surface3 Ground
4
Imported
5
( Feasibility)
Total
Supply
( County *
Total
Supply
1985 12,950 69,750 69,750 8,440 123,500 14,000 228,640 228,640
1990 12,000 36,700 69,750 25,950 113,400 21,840 209,890 242,940
1995 12,000 36,700 69,750 26,020 113,800 22,950 211,470 244,520
2000 12,000 36,700 69,750 26,100 113,600 25,550 213,950 247,000
2005 12,000 36,700 69,750 26,150 113,300 27,460 215,610 248,660
2010 12,000 36,700 69,750 26,230 113,000 29,370 217,300 250,350
Source: Report on Feasibility of Importing State Project Water into Ventura County ( 1987), Table 3- 3.
1 Surface water diversions were over 12,000 acre feet per year ending July 1, 1985 according to United's Annual Report on Groundwater Conditions.
2 Groundwater supplies are based on safe yield estimates from available references except 1985 which is actual use.
3 Coastal Plain surface water includes the Pleasant Valley pipeline, the Oxnard - Port Hueneme pipeline ( yield from surface water although extracted from groundwater),
the Pumping Trough Pipeline ( 50 percent of maximum supply assumed to be surface water), and reclaimed water from the City.
4 Values based on GMA approximated restrictions ( including overdraft) on Coastal Plain basins Task 86- 3) plus amounts from the Mound Basin in the City except 1985
which is from actual use data from United's Annual Report.
5 Includes supplies imported by the City from the Ventura River Foster Park facilities and those imported by Oxnard from Calleguas assuming supply of two- thirds of
Oxnard's demand by Calleguas except 1985 which is actual use.
* ( County)* The County Public Works Agency, Groundwater Section does not agree with the consultant's method of computing future groundwater extractions for the
Santa Clara River Valley, and believes a more accurate projection is one based on the actual groundwater use in 1985 or later. The County's higher projected
groundwater use also increases the total supply above that computed by the consultant.
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
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Figure 4.3.11a
Water Demand Projections Within Calleguas MWD * ( Acre- Feet Per Year)
( Table)
Year Population2 M & I Demand3 Ag. Acres4 Ag. Demand5 Total Demand
1985 266,494 66,624 26,630 53,260 119,884
1990 312,709 78,177 25,080 50,160 128,337
1995 346,846 86,711 23,540 47,080 133,791
2000 374,269 93,567 21,980 43,960 137,527
2005 398,698 99,675 21,780 43,560 143,235
2010 419,284 104,821 21,580 43,160 147,981
* Excluding the City of Oxnard
2 Based on Countywide population forecast, adopted by County Board of Supervisors 5/ 7/ 85.
3 Municipal and industrial demand, based on population forecast times per capita M & I use factor ( 0.25 acre- feet per person per year compiled by PWA 8/ 87 from
average of 1985 Water Use Survey).
4 Source of Ag Acres is the Draft Land Use Appendix and Irrigated Farmland from Important Farmlands Inventory.
5 Based on Agricultural Water Demand Factor ( 2.0 AF/ acre/ year from County of Ventura Water Conservation Management Plan ( 1983).
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
42
Figure 4.3.11b
Water Supply Projections Within Calleguas MWD ( Acre- Feet Per Year)
( Table)
Year Groundwater1 Surface2 Water Imported3 Recycled4 Water Total Supply
1985 79,750 0 190,000 1,725 271,475
1990 79,750 900 190,000 1,725 272,375
1995 79,750 900 190,000 23,015 293,665
2000 79,750 900 190,000 26,475 297,125
2005 79,750 900 190,000 26,475 297,125
2010 79,750 900 190,000 26,475 297,125
1 The 79,750 acre feet of groundwater is based on estimate of 273,000 AF/ Y Countywide, less the groundwater supply projections for Casitas and United. All of this
water is pumped by individuals and agencies other than Calleguas MWD.
2 Source: 1980 208 Plan Appendix IV, Table 9, p. 26.
3 Ibid.
4 Assumes continuation of current reclamation at Camarillo and Camrosa wastewater Treatment Plants and completion of reclamation facilities at the Hill Canyon and
Simi Wastewater Plants by 1995.
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Ventura County General Plan PUBLIC FACILITIES AND SERVICES APPENDIX - 3- 26- 02 Edition
43
4.4 Waste Treatment And Disposal Facilities
Waste treatment/ disposal facilities include the following types of facilities:
• On- Site Septic Systems ( Individual Sewage Disposal Systems)
• Sewage Treatment Facilities ( excluding septic systems)
• Solid Waste Disposal Sites
• Off- Site Waste Treatment Facilities ( excluding sewage)
Each type of waste facility will be described according to type of waste handled and location of
facility in the County. The Waste Facilities Map ( Figure 4.4.1) shows the location of sewage
treatment facilities and solid waste disposal sites.
4.4.1 On- Site Septic Systems ( Individual Sewage Disposal
Systems)
On- site septic systems, also referred to as individual sewage disposal systems ( ISDS), are those
liquid waste systems which dispose of sewage generated by individual residences and businesses
in unsewered areas. A conventional ISDS usually includes a septic tank and either a seepage pit
or leach lines. Mound systems and subsurface sand filtration systems are two alternative ISDS
which may be approved for use in areas where there are shallow soils over bedrock, high
groundwater ( either seasonal or permanent), or fractured bedrock. They are restricted for use only
under specific conditions and guidelines in those areas of the County where community sewer
systems are not available and on- site conditions preclude the use of conventional septic tank/ soil
absorption systems. Only domestic sewage ( i. e. human waste from everyday living activities) can
be discharged into a septic system.
The siting criteria used to determine whether a lot is suitable for an ISDS include the lot's size, the
tested soil absorption rate, the depth to groundwater, the setback from surface waters and wells,
and the topography and geology of the lot. Refer to Figure 4.4.2 for a map indicating areas in the
County with severe septic system limitation. These siting criteria are based on the Uniform
Plumbing Code as incorporated into the Ventura County Building Code and further detailed in the
Ventura County Environmental Health Division ISDS Technical Information Manual.
Mound and subsurface filtration systems must be designed by a Registered Civil Engineer. The
Coun