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
ROUND MOUNTAIN OIL INC CA4500362 California Transient Non-Community 100
BEASORE MUTUAL WATER CO. CA2000535 California Transient Non-Community 100
OASIS PROPERTY OWNERS ASSOCIATION CA1500585 California Community 100
COUGLASS SCHOOL CAMP CA2701333 California Transient Non-Community 100
PELORIA DIGGER BAY LLC CA4500071 California Transient Non-Community 100
CHURCH OF THE BRETHEREN CA5102035 California Transient Non-Community 100
FULTON PROCESSORS, INC. CA4901323 California Non-Transient Non-Community 100
FOX SPARROW RV PARK CA0900206 California Transient Non-Community 100
NAPA COUNTY SCHOOLS: POPE VALLEY CA2800840 California Non-Transient Non-Community 100
MAYWOOD FARMS CA5200865 California Transient Non-Community 100
VALLEY OF THE MOON PLAZA SHOPPING CENTER CA4901208 California Transient Non-Community 100
DEY MEMORIAL FOUNDATION CA5400956 California Community 100
BOUQUET MULTIMEDIA CA5602512 California Transient Non-Community 100
SURE FRESH PRODUCE CA4200832 California Non-Transient Non-Community 100
BEN LOMOND CONSERVATION CAMP CA4410800 California Non-Transient Non-Community 100
WILLIAM R PULICE CA4200730 California Community 100
JEWEL FOOD STORE #3331 IL3131953 California Transient Non-Community 100
RYAN RANCH CA2702098 California Community 100
RAGGED POINT INN CA4000684 California Non-Transient Non-Community 100
HOMEGROWN COLD STORAGE CA1600603 California Transient Non-Community 100
HORICON SCHOOL CA4900680 California Non-Transient Non-Community 100
GLORY HOLE RECREATION AREA CA0500102 California Transient Non-Community 100
CHRISTIANS IN ACTION CA5401077 California Transient Non-Community 100
MARYSVILLE KOREAN METHODIST CHURCH CA5103306 California Transient Non-Community 100
ALAMO DISCOUNT STORE CA3301989 California Transient Non-Community 100
WILDHAVEN YOSEMITE WATER SYSTEM CA2210945 California Transient Non-Community 100
SEVILLE FOOD MART CA5402039 California Transient Non-Community 100
UNIVERSITY PROPERTIES CA4200688 California Transient Non-Community 100
SEQUOIA WATER COMPANY CA4901016 California Transient Non-Community 100
IMPERIAL IRRIGATION DIST.-OOB CA3302065 California Non-Transient Non-Community 100
KAWEAH PACKING CA5402053 California Non-Transient Non-Community 100
LA PENA HOUSING FACILITY CA3302069 California Community 100
ST. ANDREW PRESBYTERIAN CHURCH CA5103331 California Non-Transient Non-Community 100
PORTERVILLE CITRUS RAYO CA5400541 California Non-Transient Non-Community 100
SALLEE WATER SYSTEM CA5401000 California Transient Non-Community 100
SUMNER PECK RANCH CA1000591 California Transient Non-Community 100
JEWEL FOOD STORE #3219 BATAVIA IL3131987 California Transient Non-Community 100
ESCALON LIVESTOCK MKT CA3901344 California Transient Non-Community 100
Cottonwood Cafe CA1400021 California Transient Non-Community 99
ZELLHOEFER WATER SYSTEM CA1400097 California Transient Non-Community 99
CALI LAKE RV RESORT CA1900975 California Community 99
TECOPA HOT SPRINGS RESORT CA1400095 California Transient Non-Community 99
ANGLERS SUBDIVISION 4 CA0707569 California Community 99
MILL CREEK MINI-MART CA1400132 California Transient Non-Community 99
COVINGTON MILL MWC-DIVISION B CA5301104 California Community 99
INDIAN SPRINGS CA1400016 California Transient Non-Community 99
MCARTHUR MOBILEHOME PARK CA4500084 California Community 99
CAIRDEAN WINERY CA2800111 California Transient Non-Community 99
CAL TRON CORP. CA1400080 California Non-Transient Non-Community 99
PINE CREEK MILL DOMESTIC/MINE CA1400082 California Non-Transient Non-Community 99