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
CALTRANS - MOUNTAIN PASS JPOE CVEF CA3610130 California Non-Transient Non-Community 149
DIXON 76 CA4800732 California Transient Non-Community 149
MULBERRY MHP CA5000072 California Community 148
GEORGE RANCH MUTUAL WATER COMPANY CA4900973 California Community 148
CODY WATER ASSOCIATION CA0901260 California Transient Non-Community 148
CURRIER ESTATES WATER CORP CA3900701 California Community 148
NICKEL & NICKEL WINERY CA2800027 California Non-Transient Non-Community 148
HART CREEK ESTATES MUTUAL WATER CO. CA1503329 California Community 148
MD 06 LAKE SHORE PARK CA2000550 California Transient Non-Community 148
BLACK BUTTE MOBILE H.P. CA1100405 California Community 148
OAKWOOD LAKE MOBILE HOME PARK CA3910029 California Community 148
ROSEVIEW HEIGHTS MUTUAL WATER COMPANY CA4300562 California Community 148
OID #41 - MOUNTAIN VIEW CA5000016 California Community 147
LONGVIEW MOBILE HOME PARK CO0116484 California Community 147
LAKEVIEW WATER & IMPROV ASSN CA3600148 California Community 147
PARADISE CANYON IMPROVEMENT ASSOCIATION CA4200543 California Transient Non-Community 147
CAL ORE MOBILE ESTATES CA4700546 California Community 146
MCGEE CREEK MOBILE HOME PARK CA2600572 California Transient Non-Community 146
CHEVRON-TEXACO G & W WATER SYSTEM CA1503100 California Non-Transient Non-Community 146
WHISKEYTOWN NRA-CARR MEMORIAL CA4510503 California Transient Non-Community 146
HUGHSON NUT INC. - LIVINGSTON CA2400162 California Non-Transient Non-Community 146
TAHOE FOREST CHURCH CA2904020 California Transient Non-Community 145
SAN MARTIN FOOTHILLS WATER COMPANY CA4300638 California Community 145
CENTRAL CA ALMOND GROWERS ASSN CA1000560 California Transient Non-Community 145
VALLECITO COUNTY PARK CA3700931 California Transient Non-Community 145
CARNEGIE SVRA CA3910301 California Transient Non-Community 145
OLIVE CREST CA4200639 California Non-Transient Non-Community 145
MIRA MONTE WATER CO. CA5200560 California Community 145
METROPOLITAN RECREATION CENTER (A) CA1502321 California Transient Non-Community 145
RAINERI MUTUAL WATER COMPANY CA4300520 California Community 145
BAR 717 RANCH CA5305402 California Transient Non-Community 145
ONEIL CREEK CAMPGROUND CA4700613 California Transient Non-Community 145
DELTA ISLAND ELEMENTARY SCHOOL CA3900713 California Non-Transient Non-Community 145
CLOVIS MOUNTAINVIEW PRESCHOOL CA1000415 California Non-Transient Non-Community 145
SAN LORENZO WOODS CA4400622 California Community 145
MADERA IRRIGATION DISTRICT CA2000352 California Non-Transient Non-Community 145
RIO RAMAZA UTILITY MGT PROJECT CA5100506 California Community 145
LASSEN VNP - SOUTHWEST/CHALET CA5210501 California Transient Non-Community 145
EVERGREEN ESTATES MI0040484 California Community 145
CORRAL HOLLOW PWS CA3900702 California Community 145
OID #45 CA5000013 California Community 144
HAVASU LANDING INC CA3600117 California Community 144
PANORAMA HEIGHTS PROP OWNERS CA5400509 California Transient Non-Community 144
CENTRAL COAST INDUSTRIES INC ND1311644 California Transient Non-Community 144
HOLT OF CALIFORNIA CA5100153 California Non-Transient Non-Community 144
PARK MUTUAL WATER COMPANY CA4400620 California Community 144
SIERRA BELLA MUTUAL WATER COMPANY CA1500341 California Community 144
COUNTRY SQUIRE ESTATES CA5000079 California Community 144
SISKIYOU CO.SERVICE AREA #5/CARRICK CA4700521 California Community 143
JAK HERGET CA0900566 California Transient Non-Community 143