San Benito County, California Water Systems

San Benito County, California

56 community water systems on record — 31 active, 25 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 San Benito County, California

System name	City	Population served	Status
AROMAS HILLS MUTUAL WATER ASSOCIATION	AROMAS	33	Active
AROMAS WATER DISTRICT	AROMAS	2,988	Active
ARROYO SECO IRRIGATION ASSOCIATION	HOLLISTER	0	Inactive
ASHFORD HIGHLANDS MWC	HOLLISTER	132	Active
BENITO VALLEY FARMS	HOLLISTER	34	Inactive
BEST ROAD MWC	HOLLISTER	133	Inactive
BETABEL RV RESORT	SAN JUAN BAUTISTA	49	Active
BOARD OF SUP, LASSEN CO	SUSANVILLE	235	Inactive
CASA DE FRUTA ORCHARDS	HOLLISTER	53	Active
COLE RD MWC	AROMAS	22	Inactive
COMSTOCK MUTUAL WATER COMPANY	HOLLISTER	100	Active
CREEKBRIDGE MUTUAL WATER COMPANY	HOLLISTER	69	Active
CSA NO. 31 STONEGATE WS	HOLLISTER	230	Active
DUNNEVILLE ESTATES CSA #50	HOLLISTER	120	Active
FAIRVIEW ROAD WATER SYSTEM	HOLLISTER	0	Inactive
FALLON ROAD LABOR HOUSING	KING CITY	84	Active
GILMORE WATER COMPANY	HOLLISTER	60	Inactive
GOLDEN STATE WATER CO - SAN JUAN OAKS	RANCHO CORDOVA	159	Active
HARMONY HILLS WATER SYSTEM	HOLLISTER	10	Inactive
HENRY COE PARK RABBIT SPRING	SANJUAN BAUTISTA	7,000	Inactive
HOLLISTER RANCH ESTATES	HOLLISTER	150	Active
HOLLISTER, CITY OF	HOLLISTER	26,017	Active
LICO LABOR CAMP	HOLLISTER	0	Inactive
LOS MADRONES MUTUAL WATER CO	SAN JUAN BAUTISTA	25	Inactive
LOS MADRONES MWC	SAN JUAN BAUTISTA	36	Active
MCCLOSKEY ROAD LLC	HOLLISTER	0	Inactive
MCCLOSKEY SHARED WATER SYSTEM	HOLLISTER	25	Inactive
MCMAHON ROAD MUTUAL WATER COMPANY	HOLLISTER	102	Active
MISSION FARM R.V. PARK	SAN JUAN BAUTISTA	110	Active
MISSION OAKS MOBILE HOME PARK	SAN JOSE	550	Active
MISSION OAKS MOBILE HOME PARK	HOLLISTER	450	Inactive
MISSION VINEYARD MOBILE HOME	SAN JUAN BAUTISTA	40	Inactive
O'BANNON'S MOBILE HOME PARK	HOLLISTER	30	Inactive
ORCHARD ACRES	GILROY	10	Inactive
ORCHARD ACRES SUBDIVISION	SAN JUAN BAUTISTA	45	Inactive
RANCHO SAN JOAQUIN MUTUAL	HOLLISTER	25	Inactive
RANCHO SAN JOAQUIN MWC	HOLLISTER	914	Active
RIVER OAKS R.V.P.	AROMAS	52	Inactive
ROSA MORADA MUTUAL WATER COMPANY	HOLLISTER	138	Active
SAN BENITO COUNTY WATER DISTRICT	HOLLISTER	25	Active
SAN BENITO CWD	HOLLISTER	25	Inactive
SAN JUAN BAUTISTA, CITY OF	SAN JUAN BAUTISTA	2,335	Active
SAN JUSTO MUTUAL WATER COMPANY	HOLLISTER	160	Active
SEDLACHEK WATER CO	HOLLISTER	40	Inactive
SIERRA ARMY DEPOT HERLONG	HERLONG	1,700	Inactive
SPRINGWOOD ESTATES MWC	HOLLISTER	50	Active
SUNNYSLOPE COUNTY WATER DIST	HOLLISTER	24,954	Active
THOUSAND TRAILS SAN BENITO PRESERVE	PAICINES	1,017	Active
TRES PINOS CWD	TRES PINOS	350	Active
UNION HEIGHTS MWC	HOLLISTER	98	Active
VALDEZ TRACT COMMUNITY	HOLLISTER	132	Inactive
VALENZUELA WATER SYSTEM	HOLLISTER	55	Active
VENTURE ESTATES MWC	HOLLISTER	50	Active
VINEYARD ESTATES MUTUAL	HOLLISTER	25	Inactive
VINEYARD ESTATES MWC	HOLLISTER	90	Active
WHISPERING PINES INN	HOLLISTER	38	Active