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
BOY SCOUTS OF AMERICA-CAMP LASSEN CA0400142 California Transient Non-Community 200
UNITED TRAVEL PLAZA CA5700741 California Transient Non-Community 200
BATTH DEHYDRATOR CA1000465 California Non-Transient Non-Community 200
EUSD-VAN ALLEN SCHOOL CA3901167 California Non-Transient Non-Community 200
RONALD J HERRING CA4900837 California Transient Non-Community 200
BLACK OAK FACILITY CA2300858 California Transient Non-Community 200
MARIPOSA PINES MUTUAL WATER CO CA2205014 California Community 200
HINDU TEMPLE OF FRESNO CA1000500 California Transient Non-Community 200
CAMP SHELLY CA0900505 California Transient Non-Community 200
WHISKEY SLOUGH HARBOR CA3900807 California Transient Non-Community 200
SILVER SKILLET RESTAURANT CA3400225 California Non-Transient Non-Community 200
ALAMO #5 --OOB CA3301213 California Transient Non-Community 200
AQUAPURE CA3107313 California Non-Transient Non-Community 200
MARK WEST SCHOOL CA4900866 California Transient Non-Community 200
ART COLE WATER COMPANY CA3100569 California Community 200
RAFAEL GUERRA, PRINCIPAL CA5400786 California Transient Non-Community 200
CALIFIA FARMS WATER SYSTEM CA1503685 California Non-Transient Non-Community 200
GRIZZLY ROCK CAFE CA5000400 California Transient Non-Community 199
STERLING MUTUAL WATER COMPANY CA1910158 California Community 198
CRAZZY'S WASEWAGAN CAMP CA3600770 California Transient Non-Community 198
SIERRA TRAILS LODGE CA1500467 California Community 198
ALPINE VILLAGE CA3301491 California Community 198
WESTERN SKIES MOBILE HOME PARK CA1900541 California Community 198
COLONIAL OAK WC INC CA2700534 California Community 198
CHINA LAKE ACRES MUTUAL WATER COMPANY CA1500563 California Community 198
LONG VALLEY CHARTER SCHOOL CA1800576 California Non-Transient Non-Community 196
LEE HARRISON CA1009264 California Community 196
STONEGATE MOBILE HOME PARK CA4900795 California Community 196
USFWS SAN LUIS NWR COMPLEX CA2410021 California Non-Transient Non-Community 196
U.S.F.S. CA5500135 California Transient Non-Community 196
FCWWD 40 - SHAVER SPRINGS CA1000042 California Community 196
SATICOY COUNTRY CLUB-CITY OF VENTURA CA5602140 California Community 196
REEDS CREEK SCHOOL CA5200540 California Non-Transient Non-Community 196
RIDGEWOOD MOBILE HOME PARK CO0130676 California Community 196
TID/ LA GRANGE WATER SYSTEM CA5000010 California Community 195
SILVER DOLLAR FAIRGROUNDS CA0405003 California Non-Transient Non-Community 195
HITCHIN LUCERNE INC CA3601106 California Non-Transient Non-Community 195
ALLEN ROAD MUTUAL WATER SYSTEM CA1500483 California Community 195
SUGAR PINE RV PARK CA5500215 California Transient Non-Community 195
WOODSIDE MUTUAL CA4100546 California Community 195
FORT HUMBOLDT CA1210302 California Transient Non-Community 195
ALPINE ACRES MUTUAL WATER CO CA5500041 California Community 195
KLAMATH COVE RV PARK CA0800633 California Transient Non-Community 194
CYPRESS ACRES WATER ASSOCIATIO CA3000853 California Community 194
WATER'S EDGE CONDOMINIUMS CA0900563 California Transient Non-Community 193
PALOMAR MOUNTAIN MUTUAL WATER CO. CA3700933 California Community 193
VENTANA BIG SUR INN WS CA2702328 California Community 193
ROARING CAMP RAILROAD INC CA4400825 California Transient Non-Community 193
MPWD-COULTERVILLE CSA 1 CA2210901 California Community 193
PESCADERO HIGH SCHOOL CA4100513 California Non-Transient Non-Community 192