Browse Water Systems

19,626 public water systems in CA.

Public Water Systems Database

Browse 19,626 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
CAMP LAKOTA WATER SYSTEM CA1502042 California Transient Non-Community 238
CASITAS MUTUAL WATER COMPANY CA5601104 California Community 238
LOS TULES MUTUAL WATER COMPANY CA3700958 California Community 238
WINTERS MOBILE HOME PARK CA5700613 California Community 237
MURRIETA PALMS MOBILE HOME PARK CA3301169 California Community 237
PASKENTA COMM. SERVICES DIST. CA5200534 California Community 237
KING ISLAND TRAILER PARK WATER SYSTEM CA3901114 California Community 236
US STORAGE CENTER TX0150436 California Transient Non-Community 236
CSP-HENDY WOODS STATE PARK CA2310303 California Transient Non-Community 236
THE BULL CA5403070 California Transient Non-Community 235
FREEDOM RANCH CA3700063 California Transient Non-Community 235
SILVERTHORN SUMMER CA4500010 California Community 235
SONORA ESTATES MOBILE HOME PARK CA5500086 California Community 235
BOARD OF SUP, LASSEN CO CA1800533 California Community 235
SHASTA MARINA RESORT CA4500100 California Transient Non-Community 235
Hacienda MHP CA3600390 California Community 235
FOLDED HILLS WINERY CA4200973 California Transient Non-Community 235
ROUNTREE FACILITY(PREV. SHERIFF'S REHAB) CA4400762 California Community 235
BLUE LAKE CAMPGROUND CA2500609 California Transient Non-Community 235
GARY WOOD CA3100053 California Transient Non-Community 234
ELKHORN ESTATES WATER SYSTEM CA3900724 California Community 234
NORTH OAKS MUTUAL WATER CO CA5000237 California Community 234
CASMALIA COMMUNITY SERVICES DISTRICT CA4200870 California Community 234
PALO VERDE COUNTY WATER DIST CA1310010 California Community 233
HOLIDAY HARBOR INC CA4500113 California Non-Transient Non-Community 232
RUTHERFORD HILL MUTUAL WATER CA2800023 California Non-Transient Non-Community 232
MAPLE LANE VILLAGE MOBILE HOME PARK IN5209004 California Community 232
PINYON PINES COUNTY WATER DIST CA3301512 California Community 232
NPS-HOSPITAL ROCK CA5410511 California Transient Non-Community 232
DOGWOOD BLUE JAY CYN IMP CA3600094 California Community 232
SALYER MUTUAL WC (FORMERLY RIVERVIEW AC) CA5304501 California Community 231
FOSSIL DISCOVERY CENTER CA2000932 California Transient Non-Community 231
HOWARD HOT SPRINGS CA1700523 California Transient Non-Community 231
ACAMPO WATER SYSTEM CA3901303 California Community 231
YMCA CAMP ARBOLADO CA3600530 California Transient Non-Community 231
SYLVAN HARBOR TRAILER PARK CA1200500 California Transient Non-Community 231
MOUNTAIN VIEW MHC LLC CA0400036 California Community 230
SPANISH FLAT WATER DISTRICT CA2810014 California Community 230
HENDERSON COUNTY PARK CA2400088 California Transient Non-Community 230
Table Bluff (New) Reservation 090605124 California Community 230
NORD COUNTRY SCHOOL CA0400073 California Non-Transient Non-Community 230
PINEWOOD COVE RESORT CA5301105 California Transient Non-Community 230
HACKNEY SPRING WATER CO CA2000566 California Community 230
JOHNSTONVILLE ELEMENTARY SCHOOL CA1800574 California Non-Transient Non-Community 230
FOOTHILL HORIZONS CA5500109 California Transient Non-Community 230
MADERA CO SA02-WISHON COVE CA2000542 California Transient Non-Community 230
CSA NO. 31 STONEGATE WS CA3500006 California Community 230
SAN JOSE FAMILY CAMP CA5500145 California Transient Non-Community 230
FIRST MACE MEADOWS UNIT NO. 2 CA0310018 California Community 230
TULARE COUNTY WTR TRCT 344,380 CA5400905 California Community 230