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
BLACKHAWK CENTER WATER SYSTEM CA2000848 California Non-Transient Non-Community 143
JAK HERGET CA0900566 California Transient Non-Community 143
ALTA SIERRA MUTUAL WATER CO. CA1500209 California Community 143
Wells Cabin CG, Mendocino NF CA5200648 California Transient Non-Community 143
GREENLAW MODESTO INVESTORS LLC CA5000384 California Non-Transient Non-Community 142
MADERA UNIFIED SCHOOL DISTRICT CA2000838 California Non-Transient Non-Community 142
PINE GROVE MOBILE HOME PARK CA0800800 California Community 142
FERRARI-CARANO WINERY CA4901202 California Non-Transient Non-Community 142
KENNON WATER COMPANY CA4300521 California Community 142
GREENBRIER ESTATES MI0040352 California Community 142
LAZY H MUTUAL WATER COMPANY CA3700937 California Community 142
MID -HORSESHOE BEND REC AREA CA2208033 California Transient Non-Community 142
WHITE MOUNTAIN MUTUAL WATER COMPANY CA2600621 California Community 142
MAGNOLIA UNION SCHOOL CA1300553 California Non-Transient Non-Community 142
EAST VALLEY FARMS MUTUAL WATER COMPANY CA4200800 California Community 142
SHASTA LAKE RV RESORT CA4500099 California Transient Non-Community 141
COACHELLA VALLEY CWD CA3310064 California Community 141
GRATTON SCHOOL CA5000273 California Non-Transient Non-Community 141
SUNSET PARK COMMUNITY CA4900794 California Community 141
INDALEX WEST, INC. (EH) CA5000172 California Non-Transient Non-Community 140
HARLEY H STITES CA1500343 California Community 140
SON SHINE PROPERTIES CA1502040 California Community 140
CAMPERS INN - RV & GOLF COURSE CA5700554 California Community 140
HARRIS FARMS HEADQUARTERS CA1009027 California Community 140
DE CARLI RANCH WATER SYSTEM CA3900806 California Community 140
EL DORADO IMPROVEMENT CORP CA0900534 California Transient Non-Community 140
SUSAN RIVER PARK WATER CO. CA1800503 California Community 140
NORTHSHORE RV RESORT INC CA3601168 California Transient Non-Community 140
GRANTS PASS MOBILE HOME PARK LLC OR4101175 California Community 140
MAYWOOD MOBILE HOME PARK CA5200556 California Community 140
MCHA ATWATER CENTER-CLOSED CA2400110 California Non-Transient Non-Community 140
COURTRIGHT LAKE VILLAGE CA1000012 California Transient Non-Community 140
LA CIMA CONSERVATION CAMP CA7300410 California Community 140
RIO VIENTO RV CAMP [SWS] CA3400420 California Transient Non-Community 140
FAR EAST APARTMENTS POOL CA5000344 California Community 140
DESERT PALMS MOBILE HOME PARK CA1900693 California Community 140
NS MINI MART CA5403053 California Transient Non-Community 140
TERRA NOVA MOBILE HOME PARK CA1900721 California Community 140
GOPHER RIDGE TRAILER PARK GA0610028 California Transient Non-Community 140
ORLAND LDS CHURCH CA1100103 California Transient Non-Community 140
BROOKTRAILS IMPROVEMENT DIST CA2300593 California Community 140
ELDERS TRAILER PARK CA3100065 California Community 140
BOULEVARD GARDENS WATER CO CA3010096 California Community 140
WYNOLA WATER DISTRICT CA3701837 California Community 140
PLASKETT RECREATIONAL AREA CA1100554 California Transient Non-Community 140
D&A WAREHOUSING LLC ID7100187 California Non-Transient Non-Community 140
GREELEY HILL ELEMENTARY SCHOOL CA2200031 California Transient Non-Community 140
D G M WATER CO CA1500505 California Community 140
HAVASU WATER COMPNAY CA3600118 California Community 140
USAF MEDICAL AID STATION CA0810700 California Community 140