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
RAY MOLES FARMS (MARKS AVE) CA1000452 California Transient Non-Community 90
LASSEN MOBILE HOME PARK CA0400053 California Community 90
STONE CONTAINER CORPORATION CA5304112 California Transient Non-Community 90
METTLER COUNTY WATER DISTRICT CA1500401 California Community 90
WALSH ST WS #1 CA2700803 California Non-Transient Non-Community 90
LINDA VISTA MUTUAL WATER CO CA2800528 California Community 90
SATELITE RELAY STORE AZ0415084 California Transient Non-Community 90
MILL CREEK FALLS CAMPGROUND CA2500601 California Transient Non-Community 90
VINA ELEMENTARY SCHOOL CA5200544 California Non-Transient Non-Community 90
MACS OLD HOUSE CA0707568 California Transient Non-Community 90
R.J. NOBLE COMPANY CA3000961 California Non-Transient Non-Community 90
BLUE LAKES IMPROVEMENT CLUB CA1700561 California Community 90
MARY SMITH CAMPGROUND CA5300062 California Transient Non-Community 90
SAN JOAQUIN WINE COMPANY CA2000920 California Non-Transient Non-Community 90
CALANDRI FARMS WATER SYSTEM F CA1502030 California Transient Non-Community 90
RAWSON CREEK MUTUAL WATER COMPANY CA1400026 California Community 90
CABRILLO VILLAGE CA5601208 California Community 90
ANTHONY VINEYARDS INC CA1502032 California Transient Non-Community 90
KENNEDY'S MOBILE HOMES CA0707607 California Community 90
NORTH AMERICAN REFRACTORIES - INACTIVE CA0707609 California Transient Non-Community 90
PRUNEDALE PLAZA WS CA2701814 California Transient Non-Community 90
OKI NURSERY INC CA3400291 California Transient Non-Community 90
SADDLEBACK MUTUAL WATER CO. CA5200645 California Community 90
OLD ISABELLA ROAD WATER SYSTEM CA1502684 California Transient Non-Community 90
LAKEVIEW MARINA CA4500218 California Transient Non-Community 90
HIDDEN SPRINGS CA1400083 California Community 90
BLUE SPRUCE MOBILE HOME PARK CA4900789 California Community 90
DUTCH FLAT MUTUAL WATER COMPAN CA3100519 California Community 90
MR JOE FRANCE CA0706002 California Community 90
TWILIGHT MOBILE HOME PARK CA3400185 California Community 90
GAMBI WATER SYSTEM CA1200713 California Community 90
B K LIGHTING INC CA2000794 California Non-Transient Non-Community 90
BULL CREEK RES AND TRAILER CA1210309 California Transient Non-Community 90
EDENWILD WATER ASSN CA1900695 California Community 90
VINEYARD ESTATES MWC CA3500579 California Community 90
NIELSEN TRAILER PARK CA2700996 California Community 90
ACTON CONSERVATION CAMP #11 CA1900904 California Non-Transient Non-Community 90
ANZA PINES MOBILE HOME PARK CA3301018 California Community 90
BOOTLEGGER CA0400015 California Community 90
WESTSIDE SCHOOL CA1300578 California Non-Transient Non-Community 90
MERRY MOUNTAIN MUTUAL CA0400013 California Community 90
CLYDE HALL CA5300029 California Community 90
LAKE VIEW MUTUAL WATER CO. CA2300606 California Community 90
RANCHO TEHAMA ELEM SCHOOL CA5205007 California Non-Transient Non-Community 90
CALWEST RAIN - KERMAN CA1000639 California Non-Transient Non-Community 90
WEST COTTONWOOD APARTMENTS CA4500247 California Community 90
CLARK STREET COMMUNITY WELL CA1502056 California Community 90
MONTEZUMA HILLS CA4300720 California Community 90
PORTOLA IMPROVEMENT ASSOCIATION MWC CA4100555 California Community 90
TRUE ORGANIC PRODUCTS CA1000584 California Non-Transient Non-Community 90