California utilities 2,001 to 2,100.

Each serves 80 to 93 people, as it reports to EPA. Your ZIP code finds yours faster.

Find a California utility, city or county

2,001 to 2,100 of 2,762, by people served

California utilities, 2,001 to 2,100 of 2,762, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
Lomas del Sol Mws	Aromas	93	Not sampled	0
Michele Mutual Water Company	Fulton	93	Not sampled	0
Randal'S Ranchette Mutual Water Company	Santa Rosa	93	Not sampled	1
San Miguel WS #22	Salinas	93	Not sampled	1
Cal Am Water Company - Ralph Lane	Pacific Grove	92	Not sampled	0
Cortland Pines Mutual Water Co	Shingletown	92	Not sampled	0
McCoy Rd WS #05	Salinas	92	Not sampled	22
Oak Manor WS	Salinas	92	Not sampled	1
Rapid River Mobilehome Park	Moraga	92	Not sampled	1
Robley Property Mws	Salinas	92	Not sampled	0
Spanish Flat Water District	Napa	92	Not sampled	1
Tud - Peaceful Pines Water System	Sonora	92	Not sampled	0
Vista del Toro WS	Corral de Tierra	92	Not sampled	27
Wonder Acres Water System	California City	92	Not sampled	0
Encinal Rd WS #01	Salinas	91	Not sampled	40
Hawkins Water Co - Cal Water Service (Puc)	San Jose	91	Not sampled	0
Anza Pines Mobile Home Park	Anza	90	Not sampled	0
Blue Lakes Improvement Club	Upper Lake	90	Not sampled	1
Blue Spruce Mobile Home Park	Sacramento	90	Not sampled	0
Clark Street Community Well	Lake Isabella	90	Not sampled	2
Gooselake Water Company	Bakersfield	90	Not sampled	4
Lake Shasta Pines Rv Park & Campground	Dunsmuir	90	Not sampled	1
Lake View Mutual Water Co.	Redwood Valley	90	Not sampled	0
Landale Mutual Water Company	Lancaster	90	Not sampled	0
Linda Vista Mutual Water Co	Angwin	90	Not sampled	0
Magnolia Mutual Water	Courtland	90	Not sampled	3
Merry Mountain Mutual	Clipper Mills	90	Not sampled	0
Mesa del Toro MWC	Salinas	90	Not sampled	0
Mettler County Water District	Bakersfield	90	Not sampled	19
Rawson Creek Mutual Water Company	Bishop	90	Not sampled	0
Saddleback Mutual Water Co.	Cottonwood	90	Not sampled	1
Shady Lake Water Association	North San Juan	90	Not sampled	0
Sonoma County CSA 41 - Freestone	Santa Rosa	90	Not sampled	0
South Cloverdale Water Company	Cloverdale	90	Not sampled	1
Spring Canyon WA	Salinas	90	Not sampled	7
Tularcitos MWC	Carmel Valley	90	Not sampled	0
Village Green	Anderson	90	Not sampled	1
Vineyard Estates MWC	Hollister	90	Not sampled	1
West Cottonwood Apartments	Chico	90	Not sampled	1
Bonadelle Ranchos No. 2 Mutual Water Co	Madera	89	Not sampled	0
Brite Lake Mutual Water Company	Tehachapi	89	Not sampled	0
Ccwd - Sheep Ranch	San Andreas	89	Not sampled	0
Columbia Mobile Home Park	Newport Beach	89	Not sampled	0
Del Oro River Island Serv Terr #2	Chico	89	Not sampled	12
Sandy Creek Village MHP	Madera	89	Not sampled	0
Sid - Pleasant Hills Ranch	Vacaville	89	Not sampled	7
Hat Creek Highlands Mutual Water Co	Bella Vista, CA	88	Not sampled	1
NPS - Death Valley, Cow Creek/Nevares	Death Valley	88	Not sampled	0
Aerial Acres Water Company, Inc.	North Edwards	87	Not sampled	0
East Inyokern Mutual Water	Inyokern	87	Not sampled	0
Hunter Valley CSD	Klamath	87	Not sampled	1
Rancho Corralitos	Corralitos	87	Not sampled	0
River Breeze Mobile Home Park	Sacramento	87	Not sampled	0
Riverbend Mobile Home & Rv Park	Granite Bay	87	Not sampled	1
Russian River Mutual Water Co.	Healdsburg	87	Not sampled	0
H & J Water Company	Julian	86	Not sampled	0
Iverson & Jacks Apts WS	Salinas	86	Not sampled	0
Noel Heights - Cal Water Service (Puc)	San Jose	86	Not sampled	0
Wheeler Crest CSD	Bishop	86	Not sampled	0
Afuera de Chorro Water Company	San Luis Obispo	85	Not sampled	0
Bassi Ranch Mutual Water Co.	Grover Beach	85	Not sampled	0
Csp - Pfeiffer Big Sur	Big Sur	85	Not sampled	0
Lassen View Water District	Red Bluff	85	Not sampled	1
Mill Creek M.W.C.	Fortuna	85	Not sampled	1
Modern Village MWC	Red Bluff	85	Not sampled	1
Orleans Mutual Water Company	Orleans	85	Not sampled	5
Truckee - Donner PUD - Hirschdale	Truckee	85	Not sampled	0
Chamisal MWC	Adelanto	84	Not sampled	1
Fallon Road Labor Housing	King City	84	Not sampled	0
Golden Hills Mutual Water Co	Loomis	84	Not sampled	0
Ken Mar Gardens	Arroyo Grande	84	Not sampled	23
Lake San Antonio MHP WS	San Jose	84	Not sampled	0
MD 36 Eastin Arcola	Madera	84	Not sampled	0
Sierra East HOA	Coleville	84	Not sampled	24
Valley Ford Water Association	Valley Ford	84	Not sampled	51
Sunrise Shore Mutual Water Company	Lower Lake	83	Not sampled	0
Alleghany County W.D.	Alleghany	82	Not sampled	0
Austin Acres Mutual Water Company	Duncans Mills	82	Not sampled	0
Cc Farms, LLC.	Livermore	82	Not sampled	0
Lake of the Woods Mobile Village	Lake of the Woods	82	Not sampled	9
Wendell Lane Mutual Water Company	Sebastopol	82	Not sampled	0
Baron Canyon Mutual Water Co.	San Luis Obispo	81	Not sampled	0
Blue Oak Terrace Mutual	Chico	81	Not sampled	0
Fcsa 10a - Mansionette Estates	Fresno	81	Not sampled	4
Hidden Valley WA	Salinas	81	Not sampled	2
Psmcsd - Langley/Valle Pacifico WS	Royal Oaks	81	Not sampled	0
Baldy Mountain Ranch	Mountain Center	80	Not sampled	0
Bella Shores Mobile Home Park	Sacramento	80	Not sampled	1
California State Fair	Sacramento	80	PFOS, PFBS	0
Camp Williams - Resort Water	Manhattan Beach	80	Not sampled	0
Crass Mutual Water Company	Oakhurst	80	Not sampled	1
Green Mountain Water Company	Morgan Hill	80	Not sampled	0
Hidden Acres Trailer Villa	Morgan Hill	80	Not sampled	1
John Hovannisian Water System	Fresno	80	Not sampled	1
Kings Canyon Mobile Home Park	Rancho Sante Fe	80	Not sampled	0
Laguna Negra Mutual Water Co.	Arroyo Grande	80	Not sampled	0
Lancaster Water Company	Lancaster	80	Not sampled	0
Live Oak Acres MWC Inc.	Red Bluff	80	Not sampled	1
Locke Water Works Co [sws]	Walnut Grove	80	Not sampled	8
Pineview Mobile Home Park	Cedar Glen	80	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.

2,001 to 2,100 of 2,762, by people served

Where to go next