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
AMEZCUA - GARCIA WATER CA3301990 California Community 316
NEVADA IRRIGATION DISTRICT CA2910019 California Community 315
LINCOLN VILLAGE MHP CA0400087 California Community 315
CALIFORNIA ORCHARD COMPANY CA2701022 California Community 315
Chukchansi Crossing 090600247 California Transient Non-Community 315
SAN LUCAS COUNTY WATER DISTRICT CA2701676 California Community 315
SHADY CREEK OUTDOOR SCHOOL CA2901994 California Transient Non-Community 315
MILL CREEK MSC CA3600166 California Community 315
OASIS GARDENS WATER CO. CA3303100 California Community 314
NORTH DAVIS MEADOWS CA5700788 California Community 314
BISHOP RESERVATION 1 CA1400076 California Community 314
PG&E ROCKY POINT CG CA3200084 California Transient Non-Community 312
CREW WINE COMPANY CA5700730 California Non-Transient Non-Community 312
OWENS VALLEY WATER RESOURCES, INC. CA1400005 California Community 311
HILLSIDE CHRISTIAN CENTER WATER SYSTEM CA2800061 California Transient Non-Community 311
SMUD POWERPINES CAMP CA0900316 California Transient Non-Community 311
SEBASTOPOL CHARTER SCHOOL CA4901436 California Non-Transient Non-Community 310
PREET MARKET CA5402031 California Transient Non-Community 310
LOWER ROCK CREEK MUTUAL WATER CO. CA2600538 California Community 310
CALIZONA RV PARK CA3600371 California Transient Non-Community 310
LAKESIDE WOODS MUTUAL WATER CO CA4500013 California Community 310
TOCA MADERA WINERY CA2000952 California Transient Non-Community 310
SAN JOAQUIN WATER WORKS #2 CA3901092 California Community 310
DOUBLE DIAMOND FUEL MART MO5211363 California Transient Non-Community 310
DONNER SUMMIT PUBLIC UTILITY DISTRICT CA2910016 California Community 310
INTER-COUNTY WATER CO CA3310059 California Community 310
STATION HOUSE INN CA0900529 California Non-Transient Non-Community 310
CACHE CREEK VINEYARDS CA1700736 California Transient Non-Community 310
STADIUM CLUB ESTATES CA3400171 California Community 310
CAMP CEDAR CREST CA3600593 California Transient Non-Community 310
PINE MOUNTAIN MUTUAL WATER CO. CA2300591 California Community 310
CSP - SAMUEL TAYLOR ST PARK CA2110300 California Transient Non-Community 310
MANZANITA PARK WS CA2702229 California Transient Non-Community 309
POTTER VALLEY SCHOOL DISTRICT CA2300755 California Non-Transient Non-Community 309
LITTLE SPRINGS MUTUAL WATER CO CA5500056 California Transient Non-Community 308
Golden Pond RV/M Overland CA3601011 California Community 308
NEW FREEDOM WATER MWC CA4400525 California Community 308
CWS - UPPER BODFISH WATER SYSTEM CA1510026 California Community 307
TRINITY ALPS RESORT CA5301108 California Transient Non-Community 307
NEWBERRY SPRINGS GAS STATION & MINI-MART CA3601188 California Transient Non-Community 306
LAS CRUCES STATE PARK CA4210305 California Transient Non-Community 306
Rincon Paradise Creek 090600146 California Community 305
RIVER RANCH MOBILE HOME PARK CA5200510 California Community 305
DESHMESH DARBAR LODI/STK WATER SYS CA3901464 California Transient Non-Community 305
NEW AVENUE MUTUAL WATER COMPANY CA4300771 California Community 305
BISHOP CREEK LODGE CA1400013 California Transient Non-Community 305
BURTON S TRAILER PARK CA3301069 California Community 305
PETRIFIED FOREST CA4901299 California Transient Non-Community 304
GRACE VALLEY CHRISTIAN CENTER CA5700784 California Non-Transient Non-Community 304
PINE HAVEN MOBILE HOME VILLAGE MS0240195 California Community 304