Incorporated October 22, 1964

Incorporated July 10, 1914

Incorporated July 1, 1983

Incorporated July 26, 1921

Incorporated June 30, 1903

Incorporated March 24, 1948

Incorporated March 10, 1866

Incorporated April 22, 1902

Incorporated October 10, 1969

Incorporated October 7, 1964

Operates a cemetery in the Fillmore/Bardsdale area.

Authorized to contract for extra traffic patrol, trash collection and paramedic services and provide recreation programs for the unincorporated community of Bell Canyon.

Provides library services within the City of Santa Paula and vicinity.

Provides wholesale water from Metropolitan Water District of Southern California and waste water disposal service to cities and other districts for much of the area south of the Santa Clara River.

Provides various extra health care services and related transportation services to most of the City of Camarillo and the CSUCI area.

Provides sanitary sewer collection and treatment services to the City of Camarillo and vicinity, generally west of Lewis Road.

Provides potable retail water, nonpotable/recycled water, and sanitary sewer collection and treatment services to the eastern part of the City of Camarillo, the Tierra Rejada and Santa Rosa Valleys and CSUCI.

Provides wholesale and retail water services to most of the Ojai Valley, Ventura River Valley, and the western part of the City of Ventura. Provides recreation services at Lake Casitas.

Via contract, provides retail water, sanitary sewer collection and treatment, and trash collection services to the unincorporated communities of Hollywood by the Sea and Silver Strand Beach.

Provides recreation and park services to the City of Thousand Oaks and vicinity.

Operates a public cemetery in the City of Simi Valley and vicinity.

Operates the Veterans Memorial Hall in Fillmore.

Monitors the quality and regulates the quantity of groundwater in the Fox Canyon aquifer (Oxnard Plain area from the City of Fillmore to the Pacific Ocean). Does not provide direct water service.

Provides transit services in the Cities of Ojai, Oxnard, Port Hueneme, and Ventura, and in the unincorporated County.

Provides recycled water service within the unincorporated community of Hidden Valley. Does not provide any direct water service.

Provides no services as of July 1, 2015. Formerly provided retail water to the unincorporated Lake Sherwood community.

Provides potable water service via wells to the unincorporated community of Meiners Oaks.

Provides wholesale water service to the Calleguas Municipal Water District.

Provides sanitary sewer collection and treatment services in the Ojai Valley and Ventura River Valley north of the City of Ventura.

Provides groundwater management through well regulation to the entire Ojai Valley east of Highway 33. Does not provide direct water service.

Monitors groundwater recharge for the Ojai Valley east of the City of Ojai. Does not provide direct water service.

Operates surface and subsurface agricultural drainage systems west of the City of Oxnard.

Operates surface and subsurface agricultural drainage systems east of the City of Oxnard.

Owns and operates the Port of Hueneme.

Operates a public cemetery in the Piru area.

Provides irrigation water to a 12,000-acre area south of the City of Camarillo on both sides of Las Posas Road between US 101 and US 1.

Provides recreation and park services to the City of Camarillo and vicinity.

Provides recreation and park services to the City of Simi Valley and vicinity.

Provides sanitary sewer collection and treatment services to the unincorporated community of Saticoy.

By contract, provides potable water to Oak Park, recycled water to Oak Park and Lake Sherwood, and sanitary sewer collection and treatment to Oak Park, Lake Sherwood, and Bell Canyon, and the Westlake Village and North Ranch portions of Thousand Oaks.

Provides: (1) services related to wholesale water provision, water treatment, agricultural water provision, groundwater management, water replenishment, and groundwater and surface water conservation throughout its service area, and (2) potable water services, wastewater services, and recreational services within the Lake Piru Recreation Area.

Provides fire protection and paramedic services for all unincorporated areas in the County and for the cities of Camarillo, Moorpark, Ojai, Port Hueneme, Simi Valley, and Thousand Oaks.

Develops plans for soil and water conservation including erosion control for all unincorporated areas in the County.

Provides private road maintenance for Camp Chafee Road in the unincorporated community of Casitas Springs.

Provides street lighting and street sweeping, school crossing guards for Oak Park Unified School District students, maintenance of roadway landscaping, public bike paths, non-structural subdivision perimeter walls and community identification markers, Community Emergency Response Team support, transportation, and volunteers-in-policing services for the unincorporated community of Oak Park.

Provides street lighting and street sweeping services to developed unincorporated areas countywide.

Provides sanitary sewer collection and, via contract, treatment services to the unincorporated communities of Mussel Shoals, Seacliff, Faria and Solimar Beach.

Provides sanitary sewer collection and, via contract, treatment services to the community of Nyeland Acres.

Monitors and regulates individual sewage disposal systems in all areas outside cities and sanitation/sanitary districts.

Operates and maintains a sanitary sewer collection system, and via contract, treatment services for the unincorporated communities of El Rio and Strickland Acres.

Establishes and regulates flood protection facilities and floodways along streams and rivers countywide.

Provides potable, retail water and sanitary sewer collection and treatment services to the City of Moorpark and areas to the north and west of the City.

Provides potable retail water service to the City of Simi Valley and vicinity.

Provides wastewater collection and treatment services to the unincorporated community of Piru.

Provides potable retail water service to the unincorporated community of Bell Canyon.

Provides potable retail water service to the Somis area.

Provides potable retail water service to the Lake Sherwood community.

Owns and operates the Ventura Harbor.

Owns and operates the Toland Road landfill. Provides support services to various water and wastewater agencies. Authorized to construct and operate sanitary sewer collection and treatment facilities within its boundaries.

Provides potable water service within the communities of Casitas Springs, northern Oak View, and a portion of the City of Ojai near the City’s western limits.