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
ATHAL MUTUAL WATER SYSTEM CA1500289 California Community 150
MD 24 TEAFORD MEADOW LAKES CA2000552 California Community 150
PROPERTY MANAGEMENT DIVISION CA4300828 California Community 150
FAIRWAY MUTUAL WATER CO CA5403084 California Community 150
FAT NAT S CA5401030 California Transient Non-Community 150
PANORAMA PK FIRE PROTECTION CO CA5400613 California Community 150
CAMP MORNING STAR CA3601141 California Transient Non-Community 150
ST JOSEPHS HOSPITAL CA3901082 California Non-Transient Non-Community 150
PARKWOOD SEVENTH DAY ADVENTIST CHURCH CA5000188 California Transient Non-Community 150
CAMP MENZIES CA0500022 California Transient Non-Community 150
ROY KOENIG CA1502110 California Transient Non-Community 150
BOY SCOUTS GLACIAL TRAILS SCOUT RANCH CA2900574 California Transient Non-Community 150
CATALINA STREET PUMP OWNERS CA3000662 California Community 150
PINE UNION SCHOOL CA1300601 California Transient Non-Community 150
FLAG IS UP FARMS CA4200964 California Transient Non-Community 150
FRED FRICK CA1502466 California Community 150
TOSCO CORPORATION CA1502530 California Transient Non-Community 150
MD 40 SUNSET RIDGE ESTATES CA2000851 California Community 150
TRINITY CENTER MUTAL CA5300027 California Community 150
MD 60 DILLON ESTATES CA2000849 California Community 150
CARUTHERS RAISIN PACKING CO CA1000468 California Non-Transient Non-Community 150
SIERRA NEVADA BUILDING CA0900508 California Transient Non-Community 150
SANTIAGO ESTATES CA3701860 California Community 150
HOLLISTER RANCH ESTATES CA3500904 California Community 150
LOUISIANA PACIFIC MILL CA1400089 California Transient Non-Community 150
ROSSETTIS INN CA0500048 California Transient Non-Community 150
ROP CENTER CA2000845 California Non-Transient Non-Community 150
TIMBER HILLS MUTUAL WATER CO CA3100001 California Community 150
MCCONNEL STATE PARK CA2400096 California Transient Non-Community 150
COAST UNION HIGH SCHOOL CA4000510 California Transient Non-Community 150
MD 95 RANCHOS WEST CA2000692 California Community 150
UNITED PARCEL SVC - ANDERSON CA4500315 California Non-Transient Non-Community 150
SUGAR BARGE MARINA CA0707592 California Transient Non-Community 150
COPPERCREEK CAMPGROUND CA3200063 California Transient Non-Community 150
CALICO LAKE HOMEOWNERS CA3601036 California Community 150
TOYON PARK WATER SYSTEM LLC CA0500039 California Non-Transient Non-Community 150
CHALLENGER MEMORIAL YOUTH CENTER CA1900305 California Non-Transient Non-Community 150
REYNOLDS CONSUMER PRODUCTS (RED BLUFF) CA5200626 California Non-Transient Non-Community 150
NICHOLSON RANCH WINERY CA4901274 California Transient Non-Community 150
YOUTH WITH A MISSION-SPRINGS OF LIVING W CA0400001 California Community 150
WILLOW BERM MARINA CA3400167 California Transient Non-Community 150
BONITA VISTA MUTUAL WATER CO CA3300148 California Community 150
TASSAJARA SPRINGS WS CA2701705 California Community 150
MOUNTAIN MEADOWS CAMP CA4500324 California Transient Non-Community 150
LIFEBRIDGE COMMUNITY CHURCH CA2000949 California Transient Non-Community 150
THUNDERBIRD TRAILER RANCH CA1500419 California Community 150
CAMP AUGUSTA CA2902376 California Transient Non-Community 150
BEAR VALLEY MHP CA3601045 California Community 150
DOCTOR'S PARK OWNERS ASSOCIATION CA4700881 California Non-Transient Non-Community 150
FEATHER RIVER INN CA3200106 California Transient Non-Community 150