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
FORMER NESTLE USA INC FACILITY CA3900794 California Non-Transient Non-Community 100
JEWEL 3720 VENDING 159TH STREE IL3147454 California Transient Non-Community 100
LOCKEFORD SCHOOL CA3900829 California Transient Non-Community 100
TONYS FINER FOODS NORTH RIVERSIDE IL3144584 California Transient Non-Community 100
NRG ETIWANDA GENERATING STATION CA3601124 California Non-Transient Non-Community 100
BUCKHORN LODGE AND LIQUOR CA4600054 California Transient Non-Community 100
WILLIAM FISK CA3901178 California Transient Non-Community 100
GIUSTIS CA3400224 California Transient Non-Community 100
SOLANO VERDE MUTUAL WATER CO CA5602130 California Community 100
HIDDEN VALLEY GRILL CA1700578 California Transient Non-Community 100
DOMINICKS N WEBER RD ROMEOVILLE IL3147447 California Transient Non-Community 100
USFS/LASSEN BIG PINE CAMPGROUN CA4500021 California Transient Non-Community 100
HARMONY GROVE SCHOOL CA3900852 California Transient Non-Community 100
SIERRA ESTATES MUTUAL WATER COMPANY CA2900548 California Community 100
JEWEL OSCO NBO IL3144220 California Transient Non-Community 100
ALPINE SCHOOL CA3900853 California Transient Non-Community 100
BRUELLA SCHOOL CA3900854 California Transient Non-Community 100
COUNTRYSIDE MKT & RESTRNT - BEAR MTN CA1503676 California Transient Non-Community 100
OCEAN KING BUILDING (SWS) CA3400447 California Transient Non-Community 100
ANTELOPE OAKS WATER SYSTEM CA3107329 California Non-Transient Non-Community 100
BEAR STATE WATER WORKS CA0901217 California Community 100
KRATKA RIDGE SKI RESORT CA1900006 California Transient Non-Community 100
WATSONVILLE YMCA CA2700968 California Transient Non-Community 100
MONTEREY BAY GIRL SCOUT CA2700967 California Transient Non-Community 100
SALYER SAFETY REST CA5300096 California Transient Non-Community 100
San Luis R.V. Resort CLOSED CA2400050 California Transient Non-Community 100
BEACON OIL CA2400038 California Transient Non-Community 100
ESAU COMMERCIAL CENTER CA2400037 California Transient Non-Community 100
USFS-JACKSON FLATS V-2-1 CA1900512 California Transient Non-Community 100
MR T & B BBQ CA3601177 California Transient Non-Community 100
THAT CREATIVE CAFE CA3601178 California Transient Non-Community 100
BIG OAKS LODGE CA1900992 California Transient Non-Community 100
CSP-ANDERSON MARSH STATE PARK CA1710302 California Transient Non-Community 100
TUCKER ACRES MUTUAL WATER CO. CA2801051 California Community 100
ANDERSON BOWL CA4500198 California Transient Non-Community 100
ROBERT A BAUR CA5300014 California Community 100
SOUTHERN CALIFORNIA WATERCO CA1900539 California Community 100
PALOMAR ARTESIAN SPRINGS CA3700007 California Transient Non-Community 100
WEBB OAK MUTUAL WATER COMPANY CA1900925 California Community 100
RANCHO DE LA FUENTE CA1700723 California Transient Non-Community 100
STOCKTON SILVER LAKE FAMILY CAMP CA0300007 California Transient Non-Community 100
POLLARD CAMP GROUND USFS CA4500051 California Transient Non-Community 100
HOLT SCHOOL CA3901374 California Transient Non-Community 100
VALLEY HI COUNTRY CLUB CA3400283 California Transient Non-Community 100
CHAGDUD GONPA FOUNDATION CA5304210 California Transient Non-Community 100
MIDWAY FOODS CA4800786 California Transient Non-Community 100
MARIPOSA COUNTY ROAD DEPT CA2200001 California Community 100
SAN LUIS BUSINESS PARK CA4000711 California Non-Transient Non-Community 100
THE CAVERN CA5304207 California Transient Non-Community 100
LAS COLINAS VINEYARD CA2700947 California Transient Non-Community 100