Ground Water Management Districts/Agencies in California

Ground Water Management District Formed Location
Desert Water Agency -- San Bernardino County
Fox Canyon Ground Water Management Agency 1982 Ventura County
Honey Lake Valley Ground Water Management District 1989 Lassen County
Long Valley Ground Water Management District 1980 Lassen and Sierra Counties
Mendocino City Community Services District 1971 Mendocino County
Mono County Tri-Valley Ground Water Management District 1989 Mono County
Monterey Peninsula Water Management District 1947 Monterey County
Ojai Ground Water Management Agency 1991 Ventura County
Orange County Water District 1933 Orange County
Pajaro Valley Water Management Agency 1984 Santa Cruz County
Santa Clara Valley Water District -- Ventura County
Sierra Valley Ground Water Management District 1980 Sierra County
Willow Creek Ground Water Management Agency 1993 Lassen County

Ground Water Management Districts

Ground water management districts or agencies with power to regulate groundwater extraction may be formed via special State legislation. Several groundwater basins in California that are not adjudicated are managed by such agencies.