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
PECAN GROVE MOBILE HOME PARK TX1650024 California Community 336
MUIR BEACH COMMUNITY CA2100508 California Community 336
HORIZON MOBILE HOME PARK CA1600005 California Community 335
DOUBLE E MOBILE HOME RANCH GA0630006 California Community 335
BAKER & DEADMAN CA5500172 California Transient Non-Community 335
DELTA MUTUAL WATER COMPANY CA0707573 California Community 333
SHASTA CSA - CASTELLA, #3 CA4500015 California Community 333
NEEDLES KOA CA3601004 California Transient Non-Community 333
BERMUDA PALMS - BIA CA3600363 California Community 333
RIVERSIDE CSD CA1200518 California Community 333
FOLSOM LAKE MUTUAL WATER CO CA3107339 California Community 333
PERALTA HILLS WATER CO CA3000552 California Community 333
TRINITY VILLAGE MUTUAL WATER CA5304102 California Community 332
PENN VALLEY SHOPPING CENTER CA2900532 California Non-Transient Non-Community 332
STONEYBROOKE VILLAGE MHP OH7802912 California Community 332
THUNDERHILL RACEWAY CA1100229 California Transient Non-Community 331
ELMIRA ELEMENTARY SCHOOL CA4800776 California Non-Transient Non-Community 330
DHS CALEXICO CA1310019 California Non-Transient Non-Community 330
R-RANCH IN THE SEQUOIAS CA5402036 California Community 330
EDISON ELEMENTARY SCHOOL CA1502071 California Transient Non-Community 330
EAST NICOLAUS JOINT UNION HIGH SCHOOL CA5100136 California Non-Transient Non-Community 330
LEE VINING CA2600527 California Community 330
PHILLIPS FARMS CA3901176 California Non-Transient Non-Community 330
UNION SCHOOL CA5400873 California Non-Transient Non-Community 330
DEL DIOS MUTUAL WATER COMPANY CA3700866 California Community 330
ACKERMAN CAMPGROUND CA5300065 California Transient Non-Community 330
JEHOVAH'S WITNESSES CHURCH - REEDLEY CA1000637 California Transient Non-Community 330
WASHINGTON WATER DISTRICT CA2900523 California Community 330
MYERS FLAT M.W.S. INC. CA1200538 California Community 330
OAKHURST ELEMENTARY SCHOOL CA2000613 California Non-Transient Non-Community 329
DODGE RIDGE SKI RESORT CA5500168 California Non-Transient Non-Community 328
PINNACLES NATIONAL PARK-WEST DISTRICT CA3510500 California Transient Non-Community 328
FAWN & STONEY CAMPGROUND CA5301112 California Transient Non-Community 327
PLEASANT GROVE MHP CA0400020 California Community 327
ARROWHEAD LAKE MHP OH4800112 California Community 327
KINGS RIVER RV RESORT, LLC CA5400549 California Transient Non-Community 327
FRENCH CAMP GOLF COURSE CA3901377 California Non-Transient Non-Community 327
SANTA ROSA CHRISTIAN SCHOOL CA4900768 California Non-Transient Non-Community 325
CALIFORNIA STATE PARKS CA0900541 California Transient Non-Community 325
MONTE VISTA CHAPEL AND SCHOOL CA5000405 California Transient Non-Community 325
CHARLESTON SCHOOL CA2400091 California Non-Transient Non-Community 325
DESERT SPRINGS MWC CA3600089 California Community 325
SUNSHINE RESORT CA3600378 California Transient Non-Community 325
Santa Ysabel Main 090600150 California Community 325
BERRENDOS SCHOOL CA5200507 California Non-Transient Non-Community 325
EL CAPITAN MUTUAL WATER COMPANY CA4200703 California Community 325
NORTHWEST PREP CHARTER SCHOOL CA4900695 California Non-Transient Non-Community 325
BOE DEL HEIGHTS MUTUAL WATER CA3301046 California Community 325
LEISURE LAKE MOBILE HOME CA1900110 California Community 325
MJUSD FOOTHILL INTERMEDIATE SCHOOL CA5800843 California Non-Transient Non-Community 325