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
GARRAPATA WATER SYSTEM CA2701385 California Community 120
OAK HAVEN ASSOCIATION CA3301528 California Community 120
LAKEVIEW RANCHOS MUTUAL WATER COMPANY CA1500525 California Community 120
CHERRY VALLEY RANCH LLC CA3301245 California Transient Non-Community 120
BAY TREE SPRINGS - USFS CA3301697 California Transient Non-Community 120
JOHNSON VALLEY COMMUNITY CENTER CA3601176 California Transient Non-Community 120
JOHN B. SANFILIPPO & SON, INC. CA2400231 California Non-Transient Non-Community 120
ECHO LAKE CAMP CA0900650 California Transient Non-Community 120
SAN MARCOS MUTUAL WATER COMPANY CA4200580 California Community 120
USFS/JACKASS MEADOW CAMPGROUND CA1000489 California Transient Non-Community 120
NORTH DOS PALOS WATER DISTRICT CA2410016 California Community 120
KIERNAN BUSINESS CENTER CA5000552 California Non-Transient Non-Community 120
MILLERS HILL SCHOOL CA0900210 California Non-Transient Non-Community 120
FOXFIELD RIDING SCHOOL CA5603124 California Transient Non-Community 120
Fort Independence 090600129 California Community 120
BIG WHEEL MOBILE HOME PARK CA3900637 California Community 120
CSP SADDLE MOUNTAIN CA4410307 California Transient Non-Community 120
SPECKMAN, HERB FARMS 39-78 CA3901383 California Transient Non-Community 120
KINGS CANYON MOBILE HOME PARK CA1000267 California Community 120
LAS PALMAS MOBILE HOME PARK CA0800700 California Community 120
BURNT MILL CANYON MUTUAL WATER CA3600034 California Community 119
KINGS CANYON HIGH SCHOOL CA1000316 California Non-Transient Non-Community 119
A.C. STILL CA5500043 California Community 119
FOREST RANCH MUTUAL WATER SYSTEM CA0400004 California Community 119
SPRING CREEK ESTATES PWS CA3900927 California Community 119
CITY OF MODESTO - CENTRAL TURLOCK CA5010035 California Community 119
Round Valley Health Clinic 090605113 California Non-Transient Non-Community 119
CENTRAL MUTUAL WATER CO CA5400655 California Community 119
GREEN MEADOWS OUTDOOR SCHOOL CA2203059 California Transient Non-Community 119
SAN ANTONIO CANYON MSC CA3610082 California Community 119
DUNE 3 MUTUAL WATER COMPANY, LLC CA1502690 California Community 119
BIG SUR BAZAAR WS CA2702209 California Transient Non-Community 119
PAGE AVENUE MUTUAL WATER COMPANY CA3000585 California Community 119
DEEP CANYON WATER CO CA3301192 California Community 118
THE FRUIT YARD RESTAURANT CA5000154 California Non-Transient Non-Community 118
MENF-LETTS LAKE CG CA0600056 California Transient Non-Community 118
ST FRANCIS TRACT WATER SYSTEM CA4400557 California Community 118
HORNBROOK ELEMENTARY SCHOOL CA4700584 California Transient Non-Community 118
BUHACH PRESCHOOL (KINDERCARE) CA2400134 California Non-Transient Non-Community 118
JOHN PESELK CA0300020 California Transient Non-Community 117
PT SUR NAVAL FACILITY CA2701270 California Transient Non-Community 117
POINT PLEASANT CAMPGROUND CA0900412 California Transient Non-Community 117
BAYVIEW CENTER MT0002681 California Non-Transient Non-Community 116
JESSIE JAMES TRAILER PARK CA1502135 California Community 116
JACK HALE, PRESIDENT CA3000828 California Community 116
DEL ORO WC - LARKSPUR MEADOWS CA5200574 California Community 116
MOHRLAND MUTUAL WATER SYSTEM CA0103039 California Community 116
HIDDEN CANYON RANCH MWC CA2702554 California Community 116
LODI USD-CLEMENTS SCHOOL CA3900830 California Non-Transient Non-Community 116
HESSEL CHURCH CA4901008 California Transient Non-Community 116