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
MISSION OAKS MOBILE HOME PARK CA3500536 California Community 450
RANCHO ESPLANADE MHP CA0400035 California Community 450
LODI USD-WOODBRIDGE SCHOOL CA3901128 California Non-Transient Non-Community 450
ILEAD AGUA DULCE CHARTER SCHOOL CA1900707 California Non-Transient Non-Community 450
GLEN MARTIN MWC CA3610016 California Community 450
TULARE COUNTY WATER CO 381 CA5400790 California Community 450
CALIFORNIA CITIES WATER CO - INACTIVE CA4000601 California Community 450
CLARK PACIFIC - CR 18C CA5700761 California Non-Transient Non-Community 450
CRESCENT CITY REDWOODS KOA CA0800654 California Transient Non-Community 450
ELK CREEK COMMUNITY SERVICES D CA1100502 California Community 450
AURORA ACRES RV RESORT OR4193784 California Community 450
MINARETS HIGH SCHOOL CA2000947 California Non-Transient Non-Community 450
TULALRE COUNTY WATER TRACT 345 CA5400891 California Community 450
VALHALLA MOBILE HOME PARK CA5700594 California Community 450
308 WEST FIFTH ST HOLTVILLE CA1300584 California Transient Non-Community 450
VILLA CAPRI MOBILE ESTATES CA3000827 California Community 450
PRATT MUTUAL WATER CO CA5400683 California Community 450
CAMP SARATOGA CA4300834 California Community 450
GOLDEN SANDS MOBILE HOME PARK CA1900649 California Community 450
BUTTE VISTA SCHOOL CA5100169 California Non-Transient Non-Community 450
LIGHTHOUSE MARINA RESTAURANT & RESORT CA3410035 California Transient Non-Community 450
SAN JUAN OAKS GOLF CLUB CA3500903 California Non-Transient Non-Community 450
JENSEN WATER CO CA3301340 California Community 450
CBUSO MISSION BELL CA2000659 California Non-Transient Non-Community 450
CLARK SYSTEM CA5301113 California Transient Non-Community 450
LAYTONVILLE COUNTY WATER DISTR CA2300529 California Community 450
SIERRA PACIFIC INDUSTRIES - RED BLUFF MI CA5201057 California Non-Transient Non-Community 450
MOTHER TRUCKERS WATER SYSTEM CA2900274 California Transient Non-Community 450
SUMMERVILLE UNION HIGH SCHOOL CA5500230 California Non-Transient Non-Community 450
GONZALES HIGH SCHOOL CA2701200 California Transient Non-Community 450
LASSEN COUNTY WATER WORKS DISTRICT #1 CA1810003 California Community 450
CINNABAR HILLS GOLF CLUB CA4300986 California Non-Transient Non-Community 450
TEMESCAL PROPERTIES, INC. CA3301670 California Transient Non-Community 450
MADERA MH & RV PARK CA2000595 California Community 450
NYACK WATER SYSTEM CA3103291 California Non-Transient Non-Community 450
VAN BRINK WATER SYSTEM CA3702028 California Transient Non-Community 450
YOSEMITE NPS-BRIDALVEIL CREEK CG CA2210512 California Transient Non-Community 450
GENERAL ATOMICS AERONAUTICAL - GRAY BUTT CA1901000 California Non-Transient Non-Community 450
TRINITY PRESBYTERIAN CHURCH CA1000553 California Transient Non-Community 450
LAGUNA MOBILE HOME AND RV PARK AZ0414322 California Community 450
SHADOW ACRES MUTUAL WATER COMPANY CA1900301 California Community 450
OLYMPIA MOBILODGE CA3410022 California Community 450
DAVID RAMIREZ CA1300592 California Transient Non-Community 450
CERES UNIFIED/WESTPORT SCHOOL CA5000109 California Non-Transient Non-Community 450
SKP PARK OF THE SIERRAS INC CA2000832 California Community 450
CENTURY CITY MUTUAL WATER CO CA1900150 California Community 450
PACHECO ELEMENTARY SCHOOL CA4500160 California Non-Transient Non-Community 450
FRANK SECARA CA2000532 California Community 450
U S NAVY CA4880799 California Transient Non-Community 450
PRATHER WATER DISTRICT CA1000424 California Non-Transient Non-Community 449