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Browse Water Systems

20,002 public water systems in CA.

Public Water Systems Database

Browse 20,002 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
VINEYARD AVE ESTATES MWC CA5610056 California Community 1,200
STARBUCKS CA3902217 California Transient Non-Community 1,200
SIERRA ARMY DEPOT CA1810700 California Non-Transient Non-Community 1,200
VALLEY EVANGELICAL FREE CHURCH CA4800809 California Transient Non-Community 1,200
PATTON STATE HOSPITAL CA7300207 California Community 1,200
USMC/MTN WARFARE TRNG CTR - BRIDGEPORT CA2610700 California Community 1,200
DEFENSE DISTRIB. DEPOT - TRACY SITE CA3910702 California Non-Transient Non-Community 1,200
PG&E CA4000589 California Non-Transient Non-Community 1,200
DEPT OF MENTAL HEALTH CA0000207 California Community 1,200
OROSI HIGH SCHOOL CA5400636 California Non-Transient Non-Community 1,200
RURBAN HOMES MUTUAL WATER CO. CA1910141 California Community 1,200
GERBER LAS FLORES CSD CA5210002 California Community 1,200
TNF-LOGGER & STAMPEDE RC CA4600068 California Transient Non-Community 1,200
WEST HOOPA VALLY SYSTEM 090600123 California Community 1,200
CA5100505 California Community 1,200
DURHAM UNIFIED SCHOOL DISTRICT CA0400066 California Non-Transient Non-Community 1,200
SLOCSA #10A - CAYUCOS CA4010901 California Community 1,200
HOLLISTER HILLS-SHEEP SPRINGS CA3510303 California Transient Non-Community 1,200
SHANT BHAVAN PUNJABI FUNERAL HOME CA1000592 California Transient Non-Community 1,200
HOMETOWN MEADOW GLEN TX2200288 California Community 1,197
CALIFORNIA INSTITUTION FOR WOMEN CA3610851 California Community 1,195
LIMONEIRA RANCH #1 CA5601201 California Community 1,187
MC CLOUD BRIDGE NRAS CA4500048 California Transient Non-Community 1,180
MT. HERMON ASSOCIATION, INC. CA4410008 California Community 1,176
MAXWELL PUBLIC UTILITY DISTRICT CA0610003 California Community 1,175
CAL AM - WEST SAN MARTIN CA4300543 California Community 1,173
FAIROAKS PWS #44 CA3901348 California Community 1,172
BLUE LAKE, CITY OF CA1210002 California Community 1,172
CAMP MEEKER WATER SYSTEM CA4910029 California Community 1,171
Barona North 090600118 California Community 1,171
SUNSET VISTA WATER COMPANY CA5410023 California Community 1,170
PHOENIX LAKE ESTATES CC MWC CA5510026 California Community 1,168
OLYMPIC VALLEY PSD CA3110020 California Community 1,165
YOSEMITE NPS-BRIDALVEIL FALL CA2210519 California Transient Non-Community 1,163
SEA RANCH WATER COMPANY,THE (PUC) CA4910007 California Community 1,160
DEL ORO WATER CO.-LIME SADDLE CA0410017 California Community 1,158
CSP- KIRKWOOD ENTRANCE CA4410308 California Transient Non-Community 1,154
SONORA WATER RESOURCES, INC CA5510024 California Community 1,154
LAYTONVILLE COUNTY WATER DISTRICT CA2310011 California Community 1,152
LATON COMMUNITY SERVICES DISTRICT CA1010020 California Community 1,151
SPANISH FLAT RESORT CA2800597 California Community 1,150
NAPA-BERRYESSA RESORT CA2800535 California Community 1,150
BELLFLOWER HIGH SCHOOL CA1900044 California Non-Transient Non-Community 1,150
VICTORIAN FARMHOUSE CA2300742 California Transient Non-Community 1,145
PINE GROVE COMM SERV DIST CA0310005 California Community 1,141
CAL AM WATER COMPANY - CHUALAR CA2701202 California Community 1,139
ELLERY CR CAMPGROUND NRAS CA4500047 California Transient Non-Community 1,130
BOB WILEY DETENTION FACILITY CA5401074 California Non-Transient Non-Community 1,130
BELLFLOWER HOME GARDEN WATER COMPANY CA1910012 California Community 1,129
C.C.W.D. WILSEYVILLE CA0510008 California Community 1,128