Santa Barbara County, California Water Systems

Santa Barbara County, California

82 community water systems on record — 63 active, 19 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 Santa Barbara County, California

System name	City	Population served	Status
AAA KINDNESS CARE HOME	SANTA MARIA	45	Active
ALEGRIA DOMESTIC MUTUAL WATER COMPANY	GAVIOTA	54	Active
AMERICAN WATER O&M, LLC - VSFB	VANDENBERG SFB	14,971	Active
BOBCAT SPRINGS MUTUAL WATER COMPANY	BUELLTON	115	Active
BODGER SEEDS LTD	—	77	Inactive
CACHUMA PROJECT	SANTA BARBARA	0	Active
CACHUMA VILLAGE	SANTA BARBARA	60	Active
CARPINTERIA VALLEY WATER DISTRICT	CARPINTERIA	15,996	Active
CASMALIA COMMUNITY SERVICES DISTRICT	CASMALIA	234	Active
CENTRAL COAST WATER AUTHORITY	BUELLTON	0	Active
CHALK HILL ESTATES HOA	SOLVANG	38	Active
CHALK HILL MWC	—	25	Inactive
CITY OF BUELLTON WATER DIVISION	BUELLTON	5,161	Active
CITY OF SANTA BARBARA WATER DEPARTMENT	SANTA BARBARA	99,323	Active
CITY OF SANTA MARIA UTILITIES DEPARTMENT	SANTA MARIA	109,477	Active
CUYAMA COMMUNITY SERVICES DISTRICT	NEW CUYAMA	700	Active
DONALD & BEN JOHNSTON	ORCUTT	20	Inactive
EAST VALLEY FARMS MUTUAL WATER COMPANY	SANTA MARIA	142	Active
EL CAPITAN MUTUAL WATER COMPANY	GOLETA	325	Active
EL RANCHO TAJIGUAS	GOLETA	40	Active
EL SUENO MUTUAL WATER CO	SANTA BARBARA	60	Inactive
ELLWOOD MUTUAL WATER COMPANY	SANTA BARBARA	186	Active
FOSTER ROAD MUTUAL WATER COMPANY	SANTA MARIA	150	Active
GOLDEN STATE WATER COMPANY - LAKE MARIE	RANCHO CORDOVA	545	Active
GOLDEN STATE WATER COMPANY - ORCUTT	HAWTHORNE	34,102	Active
GOLDEN STATE WATER COMPANY - TANGLEWOOD	HAWTHORNE	1,947	Active
GOLETA WATER DISTRICT	GOLETA	84,462	Active
GUADALUPE WATER DEPARTMENT	GUADALUPE	8,897	Active
HAMMOND EST, HATCH & PARENT	SANTA BARBARA	25	Inactive
IVYDENE MUTUAL WATER CO.	SANTA BARBARA	47	Inactive
JONATA HOMEOWNERS ASSOCIATION	BUELLTON	30	Active
LA CUMBRE MUTUAL WATER CO	SANTA BARBARA	4,861	Active
LAS POSITAS MUTUAL WATER COMPANY	SANTA BARBARA	200	Active
LINCOLNWOOD MUTUAL WATER COMPANY	SANTA BARBARA	206	Inactive
LINGATE LANE MUTUAL WATER COMPANY	SANTA BARBARA	55	Active
LOMPOC-CITY WATER UTILITY DIV	LOMPOC	40,473	Active
LOS ALAMOS COMMUNITY SERVICES	RK, LOS ALAMOS, CA 93440	750	Inactive
LOS ALAMOS COMMUNITY SERVICES DISTRICT	LOS ALAMOS	1,534	Active
LOS PRIETOS COMPLEX	SOLVANG	845	Active
MEADOWLARK RANCHES MUTUAL WATER COMPANY	SANTA YNEZ	150	Active
MESA HILLS MUTUAL WATER COMPANY	SOLVANG	34	Active
MIDLAND SCHOOL	LOS OLIVOS	150	Active
MISSION HILLS CSD	LOMPOC	3,600	Active
MONTECITO SEA MEADOWS	SANTA BARBARA	70	Active
MONTECITO WATER DIST	SANTA BARBARA	11,962	Active
NAPLES	CARPINTERIA	66	Active
NORTH BUELLTON HILLS WATER CO	—	20	Inactive
OAK TRAIL ESTATES	SANTA YNEZ	211	Active
OAK TRAIL RANCH	SANTA YNEZ	102	Active
PAINTED CAVE	SANTA BARBARA	160	Active
PENFIELD & SMITH ENGINEERS	SANTA BARBARA	25	Inactive
RANCHO MARCELINO WATER	SOLVANG	240	Active
RANCHO YNECITA	LOS OLIVOS	129	Active
RAY WATER COMPANY	SANTA MARIA	40	Active
ROLLING HILLS MUTUAL WATER COMPANY	ORCUTT	66	Active
ROMALDO COMMUNITY WATER CO	—	20	Inactive
ROSARIO PARK	SANTA BARBARA	38	Active
SAINT MARIE MOBILE HOME PARK	IRVINE	320	Active
SAN AUGUSTIN MUTUAL WATER COMPANY	GAVIOTA	43	Active
SAN MARCOS MUTUAL WATER COMPANY	SANTA BARBARA	120	Active
SAN VICENTE WATER COMPANY	SANTA BARBARA	550	Active
SANTA ANITA MUTUAL WATER COMPANY	GAVIOTA	38	Active
SANTA RITA WATER	LOMPOC	59	Active
SANTA YNEZ RANCHO ESTATES	SANTA YNEZ	304	Active
SANTA YNEZ RIVER WATER CONS. DIST. ID#1	SANTA YNEZ	7,022	Active
SANTA YNEZ ROBLAR MOBILE HOME PARK	LA CANADA	25	Active
SIGNAL LANDMARK PROP,INC	TA, CA	150	Inactive
SISQUOC	SANTA MARIA	135	Active
SKYLINE PARK	SANTA YNEZ	295	Active
SOLVANG WATER DIVISION	SOLVANG	6,126	Active
SUMMERLAND COUNTY WATER DIST	SUMMERLAND	0	Inactive
SYKES WATER CO.	SANTA BARBARA	109	Inactive
USFS CHUCHUPATE STA 07-57-854	GOLETA	47	Inactive
USFS LOS PADRES NF	GOLETA	35	Inactive
USFS LOS PADRES NF	GOLETA	25	Inactive
USFS LOS PRIETOS 07-54-15014	GOLETA	74	Inactive
VANDENBERG VILLAGE COMM. SERV. DIST.	LOMPOC	7,308	Active
VIEJA MUTUAL WATER COMPANY	SANTA BARBARA	60	Active
VISTA HILLS MUTUAL WATER COMPANY	LOMPOC	75	Active
WALKING M RANCHES	SOLVANG	54	Active
WILLIAM R PULICE	GOLETA	100	Inactive
WOODSTOCK RANCH	SANTA YNEZ	325	Active