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
PAR COUNTRY ESTATES CSA-16 CA3901172 California Community 178
GAYLA MANOR PWS CA3900563 California Community 178
WESTERN MOBILE HOME PARK CA4900791 California Community 178
CANYON CREEK OUTDOOR EDUCATION CENTER CA1900162 California Non-Transient Non-Community 177
PLEASANT GROVE ELEM. SCHOOL CA5100143 California Non-Transient Non-Community 177
LAS CASITAS TRAILER PARK AZ0411369 California Community 176
RIVER RANCH MHP CA3600155 California Community 176
FRESNO CHRISTIAN CA1000428 California Transient Non-Community 176
OUR LADY OF GRACE SCHOOL CA5700586 California Non-Transient Non-Community 176
MARBLE QUARRY RESORT CA5500132 California Transient Non-Community 176
SPRING VALLEY LAKES CA1700573 California Community 176
U S FOREST SERVICE CA2701320 California Transient Non-Community 176
TUOLUMNE REGIONAL WATER DIST. CA5510020 California Community 175
FRONTIER TOWN WATER SYSTEM CA5000479 California Community 175
SUMMERDALE CAMPGROUND CA2203069 California Transient Non-Community 175
CITY OF MODESTO - WALNUT MANOR CA5010031 California Community 175
RANCHO SANTA ROSA MHP CA4900786 California Community 175
MANZANA PRODUCTS COMPANY, INC. CA4901282 California Non-Transient Non-Community 175
GOLETA BUSINESS PARK CA4200660 California Non-Transient Non-Community 175
CORNERSTONE SONOMA CA4901275 California Transient Non-Community 175
OKI NURSERY INC CA3400292 California Transient Non-Community 175
CROWLEY LAKE MUTUAL WATER COMPANY CA2600546 California Community 175
TRINITY RIVER LODGE CA5300053 California Transient Non-Community 175
BANNER SMALL WATER COMPANY CA3702237 California Transient Non-Community 175
CIRCLE V RANCH CAMP CA4200818 California Transient Non-Community 175
ANTELOPE CREEK MHP CA5200521 California Community 175
LANDMARK VINEYARDS, LTD. CA4901133 California Transient Non-Community 175
DUNHAM SCHOOL CA4900739 California Non-Transient Non-Community 175
HANFORD CHRISTIAN SCHOOL CA1600009 California Non-Transient Non-Community 175
OLD GERMAN BAPTIST CHURCH CA5000441 California Transient Non-Community 175
SUNSET MUTUAL WATER CO CA1300534 California Community 175
O'NEILL WATER SYSTEM CA4300790 California Community 175
MARKLEEVILLE WATER CO. CA0202504 California Community 175
MODESTO UNION ACADEMY CA5000180 California Transient Non-Community 175
CARSON LANDSCAPE INDUSTRIES CA3400434 California Non-Transient Non-Community 175
SEVEN DAY ADVENTIST CAMP CA2200051 California Transient Non-Community 175
ARMONA UNION ACADEMY CA1600238 California Non-Transient Non-Community 175
SUN PACIFIC SHIPPERS-LERDO CA1503182 California Non-Transient Non-Community 175
WEST ALMANOR MUTUAL WATER CO CA3200115 California Transient Non-Community 175
FINN MALINS RESORT CA1700509 California Transient Non-Community 175
WEST COAST BIBLE COLLEGE CA1000224 California Transient Non-Community 175
SKY ACRES MUTUAL WATER CORP CA2000524 California Community 175
EPTCO-PORTERVILLE CA5400828 California Community 175
WEST SIDE UNION SCHOOL DISTRICT CA4900719 California Non-Transient Non-Community 175
BILL TIERNEY CA2500546 California Transient Non-Community 175
BERNIE JAMES, RANGER CA0300030 California Transient Non-Community 175
SIERRA WALDORF SCHOOL CA5500242 California Non-Transient Non-Community 175
ROSAMOND MOBILEHOME PARK CA1502232 California Community 175
ALPINE SPRINGS MOBILE HOME PARK CA1900942 California Community 175
BIG STUMP TRAILER PARK CA5400582 California Transient Non-Community 175