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
SUNDALE MUTUAL WATER COMPANY A, B CA1900563 California Community 1,050
HIGHWAY 156 WATER SYSTEM #3 CA2700600 California Community 1,048
LOS RIOS RANCHO WATER SYSTEM CA3600154 California Non-Transient Non-Community 1,046
MCSWAIN ELEMENTARY SCHOOL CA2400079 California Non-Transient Non-Community 1,046
FALLSVALE SERVICE COMPANY CA3610021 California Community 1,046
CALIFORNIA-AMERICAN GEYSERVILLE (PUC) CA4910024 California 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
SJC MICKE GROVE PARK CA3900511 California Non-Transient Non-Community 1,025
DAOU VINEYARDS, LLC CA4000825 California Non-Transient Non-Community 1,025
WAL*MART DIST. CTR/ECO RES CA5200006 California Non-Transient Non-Community 1,023
AVERYDALE MWC CA1910023 California 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
CSP-ANDREW MOLERA STATE RESERVE CA2710301 California Transient Non-Community 1,005
La Jolla - Third Gate Campground 090605151 California Transient Non-Community 1,005
CA STATE PARKS - D.L. BLISS CA0910301 California Transient Non-Community 1,005
CA STATE PARKS - GROVER HOT SPRINGS CA0210300 California Transient Non-Community 1,002
RIVER LODGE RESORT CA3600375 California Transient Non-Community 1,002
CA STATE PARKS - EMERALD BAY, VIKINGSHOL CA0910302 California Transient Non-Community 1,002
SAN ANTONIO LAKE PARK NORTH WS CA2701183 California Transient Non-Community 1,002
CA STATE PARKS - EMERALD BAY, BOAT CAMPG CA0910305 California Transient Non-Community 1,001
RANCHO ROVIRA FUN INC CA3600706 California Transient Non-Community 1,001
CALAVERAS PINES CA0500036 California Transient Non-Community 1,001
CALTRANS - GOLD RUN REST STOP CA3103206 California Transient Non-Community 1,000
MOUNTAIN EMPIRE HIGH SCHOOL CA3700117 California Non-Transient Non-Community 1,000
BAGBY RECREATIONAL AREA CA2200067 California Transient Non-Community 1,000
LOOMIS COMMUNITY PARK CA3103247 California Transient Non-Community 1,000
MAMMOTH LAKES BASIN CA2600729 California Transient Non-Community 1,000
PILLAR RIDGE MHP (FORMER EL GRANADA MHP) CA4110028 California Community 1,000
DOLE BAKERSFIELD, INC. - RANCHO LOMA CA1502718 California Non-Transient Non-Community 1,000
ANTELOPE VALLEY WATER CO CA1510037 California Community 1,000
CA STATE PARKS - EMERALD BAY, EAGLE POIN CA0910303 California Transient Non-Community 1,000
CALTRANS PHILLIP S. RAINE SFTY RSRA SB CA5401047 California Transient Non-Community 1,000
SUE-MEG SP-STATE PARKS CA1210319 California Transient Non-Community 1,000
TEAGUE ELEMENTARY SCHOOL CA1000334 California Non-Transient Non-Community 1,000
MARTINIS BAIT & TACKLE CA3900767 California Transient Non-Community 1,000
ECHO SUMMIT SKI RESORT CA0900657 California Transient Non-Community 1,000
GOLFLAND WATER SYSTEM CA3901237 California Transient Non-Community 1,000
HENNINGSEN LOTUS PARK WATER SYSTEM CA0900212 California Transient Non-Community 1,000