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
BEAR RIVER LAKE RESORT CA0300036 California Transient Non-Community 571
WEBSTER SCHOOL CA2000603 California Non-Transient Non-Community 570
MD 33 FAIRMEAD CA2000554 California Community 568
BANNING HTS. MUTUAL WATER CO. CA3301031 California Community 567
NEW BRIGTON STATE BEACH CA4410309 California Transient Non-Community 567
RICHGROVE ELEMENTARY SCHOOL CA5400978 California Transient Non-Community 567
PLANADA ELEMENTARYSCHOOL CA2400066 California Non-Transient Non-Community 567
GLEN EDEN SUN CLUB CA3301283 California Community 566
JUVENILE JUSTICE CAMPUS CA1000570 California Community 565
CSP-BOTHE-NAPA VALLEY STATE PARK CA2810301 California Transient Non-Community 565
LAKE FOREST MUTUAL W.C. CA1800511 California Community 565
CA3600163 California Community 564
JACUMBA COMMUNITY SD CA3710011 California Community 561
APPLE MARKET TWO CA3301991 California Transient Non-Community 561
NORTH KAWEAH MUTUAL WATER COMPANY CA5400506 California Community 560
ROBERT WILSON CA1000064 California Community 560
MIDWAY GARDENS MUTUAL WATER CO CA1900911 California Community 560
DOLPHIN ISLE MARINA CA2300743 California Community 560
COSUMNES RIVER ELEMENTARY SCHOOL CA3400253 California Non-Transient Non-Community 560
RANCHO SECO PARK CA3400302 California Transient Non-Community 558
BLYTHE - MESA RANCH CA3301428 California Community 558
CENTRAL VALLEY BAPTIST CHURCH WS CA3901486 California Non-Transient Non-Community 556
THOUSAND TRAILS CA3301753 California Transient Non-Community 555
ARABIAN GARDENS CA3301021 California Community 555
SIERRA PINES CA3301619 California Community 555
MONTEREY MUSHROOMS - MAHER CRT CA2701940 California Non-Transient Non-Community 554
FELSPAR GARDENS MWC CA3301264 California Community 552
LEWISTON PARK MWC CA5301003 California Community 551
YOSEMITE LAKES COMMUNITY CHURCH CA2000202 California Non-Transient Non-Community 551
VAN DUZEN - HUMBOLDT CO. PARKS CA1200798 California Transient Non-Community 551
CALIFORNIA CANNERS CA4300730 California Transient Non-Community 550
LANDALE MUTUAL WATER COMPANY CA1900809 California Community 550
SAN VICENTE WATER COMPANY CA4210005 California Community 550
BUENA VISTA WC CA2701870 California Community 550
PARLIER MIGRANT CAMP CA1000331 California Non-Transient Non-Community 550
ACACIA PARK CA2701201 California Community 550
FAIRVIEW SCHOOL CA1502080 California Transient Non-Community 550
HUGHES-ELIZABETH LAKE UNIFIED SCHOOL DIS CA1900886 California Non-Transient Non-Community 550
EL TEJON MIDDLE SCHOOL CA1502074 California Non-Transient Non-Community 550
PATTERSON TRACT CSD CA5402038 California Community 550
PACIFIC SCIENTIFIC ENERGETIC MATS. COMP. CA3500563 California Non-Transient Non-Community 550
GIBSON ELEMENTARY SCHOOL CA1000275 California Transient Non-Community 550
SANTA CRUZ COUNTY FAIRGROUNDS CA4400725 California Non-Transient Non-Community 550
FOUNTAIN VALLEY SHOPPING CENTER CO0221440 California Non-Transient Non-Community 550
GRIMMWAY FARMS CA1502560 California Non-Transient Non-Community 550
DIERBERG/STAR LANE VINEYARD CA4200951 California Transient Non-Community 550
MEADOWS UNION ELEMENTARY SCHOOL CA1300554 California Non-Transient Non-Community 550
EDMUNDSON ACRES WATER SYSTEM CA1500190 California Community 550
VINEYARD RV PARK CA4800753 California Community 550
HARBOR VIEW MUTUAL WATER COMPANY CA1700568 California Community 550