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
HIGHWAY 156 WATER SYSTEM #3 CA2700600 California Community 1,048
FALLSVALE SERVICE COMPANY CA3610021 California Community 1,046
CALIFORNIA-AMERICAN GEYSERVILLE (PUC) CA4910024 California Community 1,046
LOS RIOS RANCHO WATER SYSTEM CA3600154 California Non-Transient Non-Community 1,046
MCSWAIN ELEMENTARY SCHOOL CA2400079 California Non-Transient Non-Community 1,046
SOUTH WILLOWS INDUSTRIAL PARK CA1105001 California Non-Transient Non-Community 1,045
CCWD - WEST POINT CA0510005 California Community 1,043
CAL AM - GOLDSIDE CA2010014 California Community 1,043
DON PEDRO REC AG:FLEM.MEADOWS CA5500048 California Community 1,041
INDIAN CREEK CSD CA1410005 California Community 1,030
KENWOOD VILLAGE WATER COMPANY (PUC) CA4910025 California Community 1,029
DAOU VINEYARDS, LLC CA4000825 California Non-Transient Non-Community 1,025
SJC MICKE GROVE PARK CA3900511 California Non-Transient Non-Community 1,025
AVERYDALE MWC CA1910023 California Community 1,023
WAL*MART DIST. CTR/ECO RES CA5200006 California Non-Transient Non-Community 1,023
LIBERTY PACKING COMPANY LLC CA2400051 California Non-Transient Non-Community 1,020
PEGGY SUE'S DINER CA3600513 California Transient Non-Community 1,019
LAKE SOLANO PARK CA4800651 California Transient Non-Community 1,019
THOUSAND TRAILS SAN BENITO PRESERVE CA3500505 California Community 1,017
ESCALON GOLF COURSE WS CA3901231 California Transient Non-Community 1,010
HARRIS RANCH BEEF CO CA1000526 California Non-Transient Non-Community 1,009
CAILLIER WATER SYSTEM CA3600062 California Non-Transient Non-Community 1,008
STAGECOACH INN CA3301644 California Transient Non-Community 1,006
CA STATE PARKS - D.L. BLISS CA0910301 California Transient Non-Community 1,005
La Jolla - Third Gate Campground 090605151 California Transient Non-Community 1,005
CSP-ANDREW MOLERA STATE RESERVE CA2710301 California Transient Non-Community 1,005
CA STATE PARKS - EMERALD BAY, VIKINGSHOL CA0910302 California Transient Non-Community 1,002
CA STATE PARKS - GROVER HOT SPRINGS CA0210300 California Transient Non-Community 1,002
SAN ANTONIO LAKE PARK NORTH WS CA2701183 California Transient Non-Community 1,002
RIVER LODGE RESORT CA3600375 California Transient Non-Community 1,002
CA STATE PARKS - EMERALD BAY, BOAT CAMPG CA0910305 California Transient Non-Community 1,001
CALAVERAS PINES CA0500036 California Transient Non-Community 1,001
RANCHO ROVIRA FUN INC CA3600706 California Transient Non-Community 1,001
PONDEROSA BAR CA3100042 California Transient Non-Community 1,000
CITY OF SACRAMENTO CA3400338 California Transient Non-Community 1,000
VILLA MONTALVO CA4300712 California Transient Non-Community 1,000
VALLEY VIEW YORKSHIRE PACKING COMPANY CA4300727 California Non-Transient Non-Community 1,000
EASTON AUTHORITY JPA CA1000221 California Non-Transient Non-Community 1,000
Santa Rosa Rancheria 090600148 California Community 1,000
ANTELOPE VALLEY WATER CO CA1510037 California Community 1,000
LOOMIS COMMUNITY PARK CA3103247 California Transient Non-Community 1,000
RSM RESORT LLC CA4200926 California Transient Non-Community 1,000
THE PUB WATER SYSTEM CA0900216 California Transient Non-Community 1,000
HEARST STATE BEACH CA4000633 California Transient Non-Community 1,000
RASOR ROAD SERVICE CA3601175 California Transient Non-Community 1,000
EAST HOOPA VALLEY SYSTEM 090600140 California Community 1,000
CHEVRON USA INC., WEST COYOTE CA3000797 California Non-Transient Non-Community 1,000
3 B'S TRUCK & AUTO PLAZA CA3901249 California Transient Non-Community 1,000
RIPON USD-RIPON HIGH SCHOOL CA3901246 California Non-Transient Non-Community 1,000
CALTRANS-DUNIGAN RS CA5700556 California Transient Non-Community 1,000