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
SPRING CANYON WA CA2700838 California Community 90
Southerland s Residential CLOSED CA2400104 California Community 90
EDMOND E BOUSCAL, PRES CA1500471 California Community 90
USFS MODOC CA4700869 California Transient Non-Community 90
LINDA VISTA MUTUAL WATER CO CA2800528 California Community 90
MESA DEL TORO MWC CA2701503 California Community 90
BLUE LAKES IMPROVEMENT CLUB CA1700561 California Community 90
BLUE SPRUCE MOBILE HOME PARK CA4900789 California Community 90
WALSH ST WS #1 CA2700803 California Non-Transient Non-Community 90
KERN VALLEY PACKING COMPANY CA1502143 California Non-Transient Non-Community 90
PRUNEDALE PLAZA WS CA2701814 California Transient Non-Community 90
WOODEN SHOE VISALIA LLC CA5400963 California Community 90
ANZA PINES MOBILE HOME PARK CA3301018 California Community 90
L A COUNTY DETENTION CAMP NO 1 CA1900565 California Community 90
B K LIGHTING INC CA2000794 California Non-Transient Non-Community 90
EDWARD POZZI CA2700903 California Community 90
SPINNER'S RACE TRACK CA5401083 California Transient Non-Community 90
OLD ISABELLA ROAD WATER SYSTEM CA1502684 California Transient Non-Community 90
CLYDE HALL CA5300029 California Community 90
EDENWILD WATER ASSN CA1900695 California Community 90
PNF LIGHTING TREE CG CA3200187 California Transient Non-Community 90
BOOTLEGGER CA0400015 California Community 90
DESERT SAGE YOUTH WELLNESS CENTER CA3310084 California Non-Transient Non-Community 90
BUBI NORTH WATER SYSTEM CA1502533 California Transient Non-Community 90
STAN'S YOLO MARINA CA5700791 California Transient Non-Community 90
COACHELLA VALLEY CWD ID 70 CA3310069 California Community 90
CAMP TIMBERWOLF CA3200097 California Transient Non-Community 90
WOOD COLONY CHRISTIAN SCHOOL CA5000404 California Non-Transient Non-Community 90
VILLAGE GREEN CA4500194 California Community 90
Z BEST PRODUCTS CA4300993 California Non-Transient Non-Community 90
STONE CONTAINER CORPORATION CA5304112 California Transient Non-Community 90
GOOSELAKE WATER COMPANY CA1500584 California Community 90
PORTOLA IMPROVEMENT ASSOCIATION MWC CA4100555 California Community 90
SOUTH CLOVERDALE WATER COMPANY CA4900510 California Community 90
LASSEN MOBILE HOME PARK CA0400053 California Community 90
R.J. NOBLE COMPANY CA3000961 California Non-Transient Non-Community 90
VINA ELEMENTARY SCHOOL CA5200544 California Non-Transient Non-Community 90
CASCADE RACQUET CLUB MUTUAL WATER CA4500012 California Community 89
LAND OF MEDICINE BUDDHA CA4400530 California Non-Transient Non-Community 89
COLUMBIA MOBILE HOME PARK CA5500149 California Community 89
SANDY CREEK VILLAGE MHP CA1000260 California Community 89
ROSEBURG LUMBER CO. MILL #4 CA4500189 California Non-Transient Non-Community 89
BRITE LAKE MUTUAL WATER COMPANY CA1500489 California Community 89
LOVEY'S LANDING CA5100118 California Transient Non-Community 89
PACIFIC DUNES RANCH CA4000226 California Non-Transient Non-Community 89
SALYER HEIGHTS WATER SUPPLY, I CA5300006 California Community 89
CCWD - SHEEP RANCH CA0510004 California Community 89
SID - PLEASANT HILLS RANCH CA4810025 California Community 89
DEL ORO RIVER ISLAND SERV TERR #2 CA5402048 California Community 89
AKAL TRAVEL PLAZA CA5400810 California Transient Non-Community 88