Mendocino County, California Water Systems

Mendocino County, California

81 community water systems on record — 42 active, 39 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.

Community water systems in Mendocino County, California

System name	City	Population served	Status
ALBION MUTUAL WATER COMPANY	ALBION	56	Active
ARENA COVE TRAILER PARK	POINT ARENA	170	Inactive
BACHMANN HILL SCHOOL	BOONVILLE	45	Inactive
BELLA SHORES MOBILE HOME PARK	SACRAMENTO	80	Active
BESSIE THRILKILL	WILLITS	0	Inactive
BIG RIVER VISTA MUTUAL WATER COMPANY	MENDOCINO	36	Active
BRACKETT'S MOBILE HOME PARK	POTTER VALLEY	0	Inactive
BRANSCOMB MOBILE HOME PARK	ROHNERT PARK	42	Active
BROOKTRAILS IMPROVEMENT DIST	—	140	Inactive
BROOKTRAILS TOWNSHIP CSD	WILLITS	3,632	Active
CALPELLA COUNTY WATER DISTRICT	UKIAH	548	Active
CAMPTON HEIGHTS WATER SERVICE	FORTUNA	3,600	Inactive
CASPAR SOUTH SERVICE COMPANY	SANTA ROSA	188	Active
CENTERVILLE BEACH NAVAL FAC.	FERNDALE	200	Inactive
CHALFANT/LEDFORD RANCH	Santa Rosa	0	Inactive
CHAMBERLAIN CREEK	FORT BRAGG	80	Inactive
CHAMBERLAIN CREEK CONSERVATION	FORT BRAGG	80	Inactive
CITY OF 10,000 BUDDHAS	TALMAGE	400	Active
COVELO MOBILE HOME PARK	UKIAH	30	Active
CREEKSIDE CABINS & RV RESORT	HENDERSON	124	Active
DANN CREEK WATER USERS	LEGGETT	0	Inactive
DOLPHIN ISLE MARINA	FORT BRAGG	560	Active
DON FINCH	REDWOOD VALLEY	100	Inactive
DOS RIOS MUTUAL WATER CORP	DOS RIOS	0	Inactive
ELK COUNTY WATER DISTRICT	ELK	380	Active
ELK CREEK MOBILE HOME PARK	ELK	57	Inactive
ELSIE SKBER	PHILO	20	Inactive
F.K. LANE GROVE - STATE PARK	WEOTT	0	Inactive
FORT BRAGG, CITY OF	FORT BRAGG	6,919	Active
GOLDEN RULE	WILLITS	0	Inactive
HAEHL STREET WATER SYSTEM	BOONVILLE	587	Inactive
HARBOR TRAILER PARK	FORT BRAGG	100	Inactive
HILLS RANCH MUTUAL WATER COMPANY	MENDOCINO	79	Active
HOLLY RANCH VILLAGE	FORT BRAGG	50	Active
HOPLAND PUBLIC UTILITIES DISTR	—	480	Inactive
HOPLAND PUBLIC UTILITY DISTRICT	UKIAH	1,076	Active
IMPROVEMENT DISTRICT A	EUREKA	250	Inactive
INDIAN CREEK COURT	PHILO	25	Inactive
IRISH BEACH WATER DISTRICT	MANCHESTER	254	Active
JOHN DODDS	UKIAH	250	Inactive
KONICKE WATER SYSTEM	EUREKA	26	Inactive
LAKE VIEW MUTUAL WATER CO.	REDWOOD VALLEY	90	Active
LAYTONVILLE COUNTY WATER DISTR	—	450	Inactive
LAYTONVILLE COUNTY WATER DISTRICT	LAYTONVILLE	1,152	Active
LITTLE LAKE MOBILE HOME PARK	NAPA	38	Active
LOBOAS CORNER MOBILEHOME PARK	LEY, CA 95470	16	Inactive
LOLETA W W	LOLETA	630	Inactive
MEADOW ESTATES MUTUAL	BOONVILLE	100	Active
MILLVIEW COUNTY WATER DISTRICT	UKIAH	5,500	Active
NORTH GUALALA WATER COMPANY	GUALALA	2,593	Active
OCEAN'S EDGE ESTATES	FORT BRAGG	250	Active
ORICK TRAILER PARK	ORICK	100	Inactive
PACIFIC REEFS CALIF WATER DIST	—	6	Inactive
PARLIN FORK CONSERVATION CAMP	FORT BRAGG	80	Inactive
PARLIN FORK CONSERVATION CAMP	FORT BRAGG	80	Inactive
PINE MOUNTAIN MUTUAL WATER CO.	WILLITS	310	Active
POINT ARENA WATER WORKS	POINT ARENA	459	Active
POINT ARENA WATER WORKS NO 1	PT ARENA	400	Inactive
POINT CABRILLO HIGHLANDS	OAKLAND	42	Active
POINT OF VIEW MUTUAL WATER CO	MENDOCINO	56	Active
PRITCHARD JORDAN	ORLEANS	50	Inactive
REDWOOD VALLEY COUNTY WATER DISTRICT	UKIAH	5,200	Active
RESTING OAK VILLAGE	PIERCY	35	Inactive
RIDGEWOOD WATER SYSTEM	WILLITS	265	Active
RIVER ESTATES MUTUAL WATER COMPANY	UKIAH	250	Active
ROGINA WATER COMPANY INC.	TALMAGE	2,554	Active
ROYAL CREST MOBILE ESTATES	FORTUNA	300	Inactive
RUSSIAN RIVER PISTACHIOS, INC	CALPELLA	0	Inactive
SEAFAIR ROAD AND WATER COMPANY	MENDOCINO	50	Active
SHORELANDS ROAD & WATER COMPANY	MENDOCINO	78	Active
SHORELANDS ROAD AND WATER MUTU	MENDOCINO	29	Inactive
SURFWOOD MUTUAL WATER CORPORATION	MENDOCINO	160	Active
TRAVELERS TRAILER PARK	BOONVILLE	10	Inactive
UKIAH, CITY OF	UKIAH	16,607	Active
WESTPORT COUNTY WATER DISTRICT	WESTPORT	369	Active
WILLITS, CITY OF	WILLITS	6,175	Active
WILLOW COUNTY WATER DISTRICT	UKIAH	3,797	Active
WILLOWS ASSOCIATION	ALPINE	33	Inactive
WOODS, THE (MENDOCINO)	SANTA CRUZ	157	Active
WOODSIDE RV PARK	FORT BRAGG	280	Active
YOKAYO TRIBE OF INDIANS	TALMAGE	75	Active