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
SKYWALKER RANCH CA2100566 California Non-Transient Non-Community 250
JOHNSONS TRAILER PARK NM3540907 California Community 250
WISHON VILLAGE CA1000223 California Transient Non-Community 250
LAY S RESTAURANT - INACTIVE CA3901043 California Transient Non-Community 250
SACRAMENTO AUTO AUCTION CA5700587 California Transient Non-Community 250
FIREBAUGH TRAVEL PLAZA (SW) CA2400085 California Transient Non-Community 250
CLEAR CREEK MOBILEHOME ESTATES CA4500065 California Community 250
AMERICAN UNION SCHOOL CA1000204 California Non-Transient Non-Community 250
WENCH CREEK CAMPGROUND CA0901249 California Transient Non-Community 250
PENN VALLEY MOBILE HOME PARK CA2901693 California Community 250
ALVIEW SCHOOL CA2000604 California Non-Transient Non-Community 250
TARA CAMPGROUND CA2300752 California Transient Non-Community 250
EAST ACRES MUTUAL WATER COMPANY CA2000512 California Community 250
PARK HEIGHTS MUTUAL WATER CO CA5000017 California Community 250
WEIMAR INSTITUTE CA3100073 California Community 250
MDF-MEDICINE LAKE CA4700870 California Transient Non-Community 250
LAKE JODIE WATER SYSTEM CA3600785 California Community 250
GABLES WATER COMPANY CA3601191 California Transient Non-Community 250
NORTHCREST MOBILE HOME PARK CA0800552 California Community 250
SAN JERARDO COOP WS CA2701904 California Community 249
RANCHO COLINA MOBILE HOME PARK CA4000653 California Community 249
WEST SACRAMENTO TRAILER PARK CA5700595 California Community 249
SANTA YSABEL NATURE CENTER CA3705077 California Transient Non-Community 248
MANNY WATER SYSTEM CA5403159 California Transient Non-Community 248
SHASTA CSA - CRAGVIEW, #23 CA4500028 California Community 248
COBB AREA CWD - STARVIEW CA1700574 California Community 247
DAIRYLAND SCHOOL CA2000597 California Non-Transient Non-Community 247
LARRUPIN CAFE CA1200831 California Transient Non-Community 247
WILLOWSIDE SCHOOL CA4900697 California Transient Non-Community 247
COLUSA CO. SERVICE AREA #1-CENTURY RANCH CA0600012 California Community 246
EL MARGARITA MUTUAL WATER CO. CA5100102 California Community 246
AUTOCAMP SEQUOIA CA5400750 California Transient Non-Community 246
BORREGO SPRINGS UNIFIED SCHOOL DISTRICT CA3701007 California Non-Transient Non-Community 246
ESALEN INSTITUTE WS CA2701295 California Community 246
CENTRAL VALLEY WATER CA5400915 California Community 245
SNOWFLOWER CA3103288 California Transient Non-Community 245
SULLIVAN MUTUAL WATER COMPANY CA3600302 California Community 245
TALMONT WATER CO CA3100032 California Community 245
E & J GALLO WINERY CA2400169 California Non-Transient Non-Community 245
CRESTLINE MOUNTAIN PARK CA3600411 California Community 245
JEHOVAH'S WITNESSES - KINGDOM HALL CA5700817 California Transient Non-Community 245
LAVA BEDS NATIONAL MONUMENT CA4710500 California Transient Non-Community 245
MUSCATINE MHP LLC IA7000601 California Community 245
CALVARY CHRISTIAN CENTER CA5100176 California Non-Transient Non-Community 245
GRIMMWAY FARMS COACHELLA VALLEY FACILITY CA3303112 California Non-Transient Non-Community 245
E&J GALLO WINERY CA1000447 California Non-Transient Non-Community 245
GUARDIAN INDUSTRIES LLC CA1000383 California Non-Transient Non-Community 245
LLANO MUTUAL WATER COMPANY CA1900303 California Community 245
CALBEE AMERICA INCORPORATED CA2000507 California Non-Transient Non-Community 244
COLLEGE PARK MUTUAL WATER COMPANY CA4900667 California Community 244