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
FOREST LAWN SCOUT RESERVATION CA3600601 California Transient Non-Community 200
USACE-KAWEAH RECREATION AREA CA5400755 California Transient Non-Community 200
MOUNTAIN VIEW MOBILE HOME PARK CA3301445 California Community 200
BILL MASSA COMPANY WS**CLOSED** CA2701224 California Non-Transient Non-Community 200
OCTAGON BARN CENTER ASSOCIATION CA4000830 California Transient Non-Community 200
SONOMA WAREHOUSING CA4901061 California Non-Transient Non-Community 200
NO. CONGREGATION JEHOVAHS WITN CA0900101 California Transient Non-Community 200
CATTLEMANS RD 2 CA2701476 California Community 200
HENRYS RESTAURANT CA5102018 California Transient Non-Community 200
MD 07 MARINA VIEW HEIGHTS CA2000551 California Community 200
DON JUANS RESTAURANT CA1700645 California Transient Non-Community 200
NORTHERN TRUCK INC. CA0600045 California Transient Non-Community 200
PLAZA DEL ORO CA4200665 California Transient Non-Community 200
CASTLEWOOD MOBILE HOME PARK CA5800832 California Community 200
MANZO INVESTMENTS CA4200672 California Non-Transient Non-Community 200
Pala Raceway 090600167 California Transient Non-Community 200
DALEY RANCH CA3705074 California Transient Non-Community 200
RIVERAS FRESH MARKET IL3151969 California Transient Non-Community 200
GILARDI WATER SYSTEM CA4901154 California Transient Non-Community 200
DOLLAR GENERAL STORE TX1910156 California Transient Non-Community 200
Quartz Valley Indian Community 090600046 California Community 200
SCRIBNER BEND VINEYARD CA3400474 California Transient Non-Community 200
BELLA VISTA MOBILE LODGE CA4000512 California Community 200
HIDDEN VILLA FARM & WILDERNESS PRESERVE CA4300775 California Transient Non-Community 200
TAHQUITZ MEADOWS YWCA CA3301656 California Transient Non-Community 200
MARK WEST LODGE EVENT CENTER CA4900996 California Transient Non-Community 200
GOLDEN PHEASANT INN CA1100259 California Transient Non-Community 200
SILVER LAKE RESORT 2 CA2600541 California Transient Non-Community 200
VILLA CEREZOS CA3900596 California Community 200
BEARSKIN MEADOW DIABETIC YOUTH CAMP CA1000126 California Transient Non-Community 200
DONALD MAES CA2600544 California Community 200
COOKSON RANCH CA1200775 California Transient Non-Community 200
RIVERSIDE RV PARK OR4194601 California Community 200
LAS POSITAS MUTUAL WATER COMPANY CA4200572 California Community 200
PARADISE RESORT 2 CA2600548 California Transient Non-Community 200
THE MAPLES CA5700754 California Non-Transient Non-Community 200
KANE RANCH WATER ASSOCIATION CA2000629 California Transient Non-Community 200
ALEXANDER VALLEY UNION SCHOOL DISTRICT CA4900704 California Non-Transient Non-Community 200
MECCA SCHOOL - COACHELLA CA3301151 California Transient Non-Community 200
STERLING INTERNATIONAL WINERY CA2800509 California Transient Non-Community 200
STRASBAUGH, INC CA4000777 California Non-Transient Non-Community 200
BERMITE DIVISION CA1900028 California Transient Non-Community 200
DENICE & FILICE LLC - INACTIVE CA3500807 California Non-Transient Non-Community 200
IMPROVEMENT DISTRICT NO. 1 CA5400968 California Community 200
SIERRA BIBLE CAMP CA3200018 California Transient Non-Community 200
LUSD - LINCOLN SENIOR ELEMENTA CA3901134 California Transient Non-Community 200
FAMOSO INN WATER SYSTEM CA1500090 California Transient Non-Community 200
WALNUT GROVE ELEMENTARY SCHOOL CA3400268 California Non-Transient Non-Community 200
MACCALLUM HOUSE INN CA2300740 California Transient Non-Community 200
NEW VISION MHP CO0162710 California Community 200