Browse Water Systems

20,012 public water systems in CA.

Public Water Systems Database

Browse 20,012 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
PARADISE SCHOOL CA5000274 California Non-Transient Non-Community 218
OLD OAK RANCH CA5500020 California Transient Non-Community 217
ARBOGA SCHOOL CA5800846 California Non-Transient Non-Community 217
PINE UNION SCHOOL CA1300560 California Non-Transient Non-Community 217
KLAMATH GLEN RESORT CA0800626 California Transient Non-Community 216
COLEVILLE HIGH SCHOOL CA2600570 California Non-Transient Non-Community 216
POND-DEROSA OAKS WC CA2701553 California Community 216
LAKE BUCHANAN RV AND CABIN RESORT TX0270132 California Transient Non-Community 216
COYOTE LAKE COUNTY PARK CA4300815 California Transient Non-Community 216
ALPINE VIEW CAMPGROUND CA5301006 California Transient Non-Community 215
FAIRPLAY MHP CO0147030 California Community 215
BARSTOW CALICO KOA CA3600409 California Transient Non-Community 215
CASPERS REGIONAL WILDERNESS PARK CA3000940 California Transient Non-Community 215
Yurok - Requa 090605014 California Community 215
SKIPPERS COVE CA2900534 California Transient Non-Community 215
DEL NORTE MUTUAL WATER CO. CA5602104 California Community 215
MOANING CAVERN CA0500088 California Transient Non-Community 215
AUBERRY ELEMENTARY SCHOOL CA1000312 California Non-Transient Non-Community 215
FIR COVE & BAILEY CANYON CA5305101 California Transient Non-Community 215
EL RANCHO MOBILE HOME PARK CA1900636 California Community 215
GRIZZLY LAKE CSD-CROCKER/WELCH CA3200107 California Community 215
HOLMAN RANCH WS CA2702739 California Transient Non-Community 215
PARADISE LAKE MUTUAL WATER CO. CA2700674 California Community 213
GIZDICH HOME RANCH CA4400902 California Transient Non-Community 213
CALHOUN UTILITY GA1830017 California Community 213
MIDWAY MOBILE HOMES LLC OH7802112 California Community 213
RIDGE MUTUAL WATER COMPANY CA4400618 California Community 213
WALKER CREEK RANCH EDUCATIONAL CENTER CA2100545 California Non-Transient Non-Community 212
CANYON CREEK RESORT CA5700608 California Transient Non-Community 212
MANDALA WATER SYSTEM CA1700650 California Transient Non-Community 212
FLYING DOUBLE A RANCH CA5305008 California Transient Non-Community 212
HARI'S MARKET CA5403150 California Transient Non-Community 212
JOHN S WASH ELEMENTARY SCHOOL CA1000293 California Non-Transient Non-Community 212
ELK CREEK COMMUNITY S.D. CA1100616 California Community 212
OLIVET UNIVERSITY CA3301863 California Community 212
HIDDEN HARBOUR RESORT CA4800599 California Transient Non-Community 212
CAMP ST NICHOLAS WATER SYSTEM CA1502249 California Transient Non-Community 212
FLYING AA RANCH CA5300135 California Transient Non-Community 212
OAK TRAIL ESTATES CA4200881 California Community 211
ALVIEW SCHOOL CA2000598 California Non-Transient Non-Community 211
SPV WATER COMPANY CA1907028 California Community 211
SHASTA CAVERNS CA4500248 California Transient Non-Community 211
RANCHO POQUITOS MWC CA5500072 California Community 211
MOBILE HOME ESTATES CA4900720 California Community 210
PLACE DE MER CSA 2 CA4400583 California Community 210
RANCHO CARRILLO MWC CA3301535 California Community 210
CHERRY VALLEY WATER COMPANY CA3301114 California Community 210
IRONWOOD CAMP CA3601015 California Community 210
GOLDEN SIERRA ESTATES_FKA MOTHER LODE CA5500125 California Community 210
METCALF MOTORCYCLE COUNTY PARK CA4300948 California Transient Non-Community 210