Counties → California

Orange County, California

Water Systems

Population Served

3,201,893

Total Violations

507

PFAS Detected

of 30 tested

Water Systems

System Name	Population	Violations	PFAS
IRVINE RANCH WATER DISTRICT	444,800	12	Detected
CITY OF ANAHEIM	348,593	5	Detected
CITY OF SANTA ANA	310,539	20	Detected
CITY OF HUNTINGTON BEACH	201,000	9	Detected
CITY OF GARDEN GROVE	174,226	0	Detected
MOULTON NIGUEL WATER DISTRICT	170,236	0	Detected
SANTA MARGARITA WATER DISTRICT	168,289	2	Detected
CITY OF FULLERTON	139,461	14	Detected
CITY OF ORANGE	120,770	6	Detected
GOLDEN STATE WC - WEST ORANGE COUNTY	114,379	0	Detected
MESA WATER DISTRICT	110,000	4	Detected
CITY OF WESTMINSTER	90,911	13	Detected
YORBA LINDA WATER DISTRICT	84,292	4	Detected
CITY OF BUENA PARK	81,998	12	Detected
CITY OF NEWPORT BEACH	68,572	7	Detected
CITY OF TUSTIN	66,600	17	Detected
CITY OF LA HABRA	63,118	101	Detected
CITY OF FOUNTAIN VALLEY	56,747	8	Detected
EL TORO WATER DISTRICT	51,800	1	Detected
CITY OF SAN CLEMENTE	51,545	4	Detected
GOLDEN STATE WC - PLACENTIA/YORBA LINDA	50,381	0	Detected
CITY OF BREA	48,479	3	Detected
SOUTH COAST WATER DISTRICT	41,118	4	Detected
SANTA MARGARITA WATER DISTRICT-ID9	39,684	22	Detected
CITY OF SEAL BEACH	24,937	4	Detected
LAGUNA BEACH COUNTY WD	18,404	2	Detected
CITY OF LA PALMA	15,948	8	Detected
TRABUCO CANYON WATER DISTRICT	13,659	16	Detected
GOLDEN STATE WC - COWAN HEIGHTS	6,997	1	Detected
SERRANO WATER DISTRICT	5,659	8	Detected
JOINT REGIONAL WATER SUPPLY SYSTEM	3,947	0	—
EAST ORANGE COUNTY WD - RZ	3,464	3	—
KNOTT S BERRY FARM	3,000	10	—
EASTSIDE WATER ASSOCIATION	2,000	11	—
LOS ALAMITOS RACE COURSE	1,600	18	—
SMWD-NICHOLS INSTITUTE	1,600	2	—
MIDWAY CITY MUTUAL WC	1,305	32	—
SOUTH MIDWAY CITY MUTUAL WATER CO.	891	12	—
CANYON RV PARK	294	10	—
CASPERS REGIONAL WILDERNESS PARK	215	6	—
HYNES ESTATES MUTUAL WATER CO.	168	21	—
PAGE AVENUE MUTUAL WATER COMPANY	119	24	—
LIBERTY PARK WATER ASSOCIATION	85	19	—
LAZY W RANCH WATER SYSTEM	63	5	—
EAST ORANGE COUNTY WD - WZ	0	6	—
SAN JUAN BASIN AUTHORITY	0	21	—