California utilities 2,301 to 2,400.

Each serves 50 to 60 people, as it reports to EPA. Your ZIP code finds yours faster.

Find a California utility, city or county

2,301 to 2,400 of 2,762, by people served

California utilities, 2,301 to 2,400 of 2,762, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
Desert View Trailer Park	La Verne	60	Not sampled	1
Eagle'S Nest Resort	Porterville	60	Not sampled	0
El Rio Mobile Home Park	Stockton	60	Not sampled	0
Elkhorn Rd WS #04	Watsonville	60	Not sampled	1
Fellowship of Friends	Oregon House	60	Not sampled	1
Gold Country Home Park - Water System	Sacramento	60	Not sampled	0
Happy Harbor (Sws)	Isleton	60	Not sampled	0
Isot Community Water System	Canby	60	Not sampled	0
La Cima Fire Center	Julian	60	Not sampled	0
Lake Francis Mutual Water Company	Dobbins	60	Not sampled	0
Martin'S Mobile Home Court	San Ramon	60	Not sampled	24
Mireval Improvement Association	Los Gatos	60	Not sampled	0
North Shore Estates WS	Bradley	60	Not sampled	0
Psmcsd - Blackie Rd WS	Royal Oaks	60	Not sampled	0
Rancho Marina	Sacramento	60	Not sampled	10
Rebel Ridge Village	Camptonville	60	Not sampled	0
Royal Oak Place WS	Royal Oaks	60	Not sampled	0
Sherwood Forest MHP	Sanger	60	Not sampled	1
Terrace View Water System	Rohnert Park	60	Not sampled	0
Vaca Villa Apartments	Vacaville	60	Not sampled	0
Vieja Mutual Water Company	Santa Barbara	60	Not sampled	0
Villa Blue Estates Water District	Upper Lake	60	Not sampled	0
Brookside Estates Mutual Water Company	Bishop	59	Not sampled	0
Cdf - Oak Glen Conservation Camp	Yucaipa	59	Not sampled	0
Chetmoore Acres WA	Royal Oaks	59	Not sampled	0
Thimio MWC	Prunedale	59	Not sampled	7
Humboldt Highlands Mutual	Forest Ranch	58	Not sampled	0
Jed Smith Homeowners Assn.	Crescent City	58	Not sampled	1
Los Ranchos de Uvas Water Company	Gilroy	58	Not sampled	1
South Mountain Mutual Water Co	Santa Paula	58	Not sampled	0
Tierra Meadows HOA WS	Salinas	58	Not sampled	0
Ranch Road Estates Mutual Water Company	Bishop	57	Not sampled	0
The Painted Turtle Camp	Lake Hughes	57	Not sampled	1
The Willows Resort	Monterey	57	Not sampled	2
Woodland Heights MWC	Prunedale	57	Not sampled	0
Blue Skies Mobile Home Park	Arcadia	56	Not sampled	1
Countryside Care Center	Fresno	56	Not sampled	0
Desmond Rd WS #03	Salinas	56	Not sampled	0
Green Acres WA	Castroville	56	Not sampled	0
Hart Flat Bear Mutual Water	Bakersfield	56	Not sampled	0
Jost Post WA	Salinas	56	Not sampled	0
Lichau Hylands Mutual Water Company	Penngrove	56	Not sampled	0
Paradise Rd WS #09	Salinas	56	Not sampled	1
Redwood Terrace Mutual	La Honda	56	Not sampled	1
Sid - Peabody	Vacaville	56	Not sampled	0
Tully Mobile Estates	Oakdale	56	Not sampled	0
Winterhaven Mobile Estates	Lake Hughes	56	Not sampled	27
Cachagua Mutual WS (#4)	Carmel Valley	55	Not sampled	0
Cal Fire - Mountain Home Cnsrvtn Camp	Springville	55	Not sampled	0
Camp Nelson Water Company	Springville	55	Not sampled	0
Camp Waterman MWC	San Bernardino	55	Not sampled	0
Cantua Creek Vineyards, IV, LLC.	Ceres	55	Not sampled	25
Country Western Mhrv	Modesto	55	Not sampled	0
Del Monte Farms Rd WS #03	Castroville	55	Not sampled	0
Finnlees Trailer Park	Woodland	55	Not sampled	0
Lingate Lane Mutual Water Company	Santa Barbara	55	Not sampled	1
Little Baldy Water	Llano	55	Not sampled	1
Mokelumne Mobile Senior Park	Galt	55	Not sampled	1
Pinecrest Permittees Assn	Pinecrest	55	Not sampled	1
Quail Creek Estates Mutual Water Company	Gilroy	55	Not sampled	0
R - Wild Horse Ranch	Platina	55	Not sampled	1
Rim Rock Water Company	Grover Beach	55	Not sampled	31
Riverside Mobile Home Park	Vacaville	55	Not sampled	3
Shasta Horizon Mobile Home Park	Sacramento	55	Not sampled	0
Valenzuela Water System	Hollister	55	Not sampled	2
Alegria Domestic Mutual Water Company	Gaviota	54	Not sampled	0
Allan Lane Water Association	Corralitos	54	Not sampled	0
Corda Rd WS	Salinas	54	Not sampled	7
Delores Lane Water System	Santa Rosa	54	Not sampled	1
Lakeshore Villa Mutual Water Co	Lakehead	54	Not sampled	0
Llanas Camp Four Water System	Shafter	54	Not sampled	0
River Grove Mutual Water Assn	Felton	54	Not sampled	7
Sequoia Water Assoc	Courtland	54	Not sampled	0
Tierra Vista MWC	Salinas	54	Not sampled	6
Valivu Estates MHP	Greenville	54	Not sampled	1
Walking M Ranches	Solvang	54	Not sampled	0
Apricot Ln WS	Royal Oaks	53	Not sampled	0
Casa de Fruta Orchards	Hollister	53	Not sampled	0
Feather River Rv & MHP	Graeagle	53	Not sampled	1
Foothill Estates MHP	Alta Loma	53	Not sampled	0
Green Acres Mutual Water	Morgan Hill	53	Not sampled	1
Little Avenue Water System	Red Bluff	53	Not sampled	1
Meadow Edge MHP	Vinton	53	Not sampled	1
Pine Grove Mobilehome Park	Pleasant Hill	53	Not sampled	0
Sullivan Mutual Water	Morgan Hill	53	Not sampled	1
Vista Robles Association	Ben Lomond	53	Not sampled	0
Aptos Ridge Mutual Water Co	Watsonville	52	Not sampled	0
Bracken Brae Country Club	Boulder Creek	52	Not sampled	1
Cal Fire - Miramonte Conservation Camp	Miramonte	52	Not sampled	0
Muriel Wright Residential Center	San Jose	52	Not sampled	0
Trails End Mutual Water Company	Mountain Center	52	Not sampled	0
The Anne Sippi Clinic - Riverside Ranch	Bakersfield	51	Not sampled	0
Yosemite NPS - Hodgdon Meadow	Yosemite Np	51	Not sampled	0
15th Avenue	Stockton	50	Not sampled	0
Agape Mutual Water System	Bakersfield	50	Not sampled	0
B&G Mobile Home Park LLC WS	Livermore	50	Not sampled	0
Cascadel Mutual Water System	North Fork	50	Not sampled	0
Century Mobile Home Park	Riverbank	50	Not sampled	38
Cobles Corner	Hughson	50	Not sampled	36
Country Village Mobile Home Park	Oakdale	50	Not sampled	1

Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and California State Water Resources Control Board, Division of Drinking Water.

2,301 to 2,400 of 2,762, by people served

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