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
MENF-FOUTS SPRINGS CG CA0600076 California Transient Non-Community 531
PALMS RIVER RESORT CA3600372 California Community 531
TUD - BIG HILL WATER SYSTEM CA5510029 California Community 531
INDIAN SPRINGS MWS - INACTIVE CA2701140 California Community 531
ALLENSWORTH CSD CA5400544 California Community 531
ELBOW CREEK ELEMENTARY SCHOOL CA5400844 California Non-Transient Non-Community 530
UNITED PACIFIC #0251 CA2000963 California Transient Non-Community 530
CSA 42 ORO GRANDE CA3600220 California Community 529
SWS LAND DEVELOPMENT INC CA2000951 California Non-Transient Non-Community 529
HINKLEY ELEMENTARY SCHOOL CA3600125 California Non-Transient Non-Community 527
MONO VILLAGE WATER DISTRICT CA5500062 California Community 525
CAZADERO WATER COMPANY, INC. (PUC) CA4900508 California Community 525
BRIDGEPORT PUD CA2610003 California Community 524
CASTLEWOOD DOMESTIC WATER SYSTEM CA0105008 California Community 524
NORTH TAHOE PUD - CARNELIAN WOODS CA3110023 California Community 524
DEL ORO WATER CO.-STIRLING BLUFFS CA0410018 California Community 521
SUN OAKS RACQUET CLUB CA4500216 California Non-Transient Non-Community 521
CAMPOS BROS. FARMS CA1000580 California Non-Transient Non-Community 520
PSMCSD - MOSS LANDING HARBOR WS CA2701515 California Community 520
DESERT HOT SPRINGS SPA HOTEL CA3301206 California Transient Non-Community 520
MOUNTAIN MESA WATER COMPANY CA1500320 California Community 518
BALDY MESA COUNTY CA3600024 California Community 518
WEST PALM SPRINGS VILLAGE CA3310078 California Community 517
FRAZIER MOUNTAIN HIGH SCHOOL CA1503140 California Non-Transient Non-Community 516
RANCHO YERDUGO MUTUAL WATER CO CA1500514 California Community 516
Cahuilla Casino 090605144 California Non-Transient Non-Community 515
COS-HANFORD CENTER CA1600253 California Non-Transient Non-Community 515
GOLDEN WEST HIGH SCHOOL CA5400872 California Transient Non-Community 515
JUNE MOUNTAIN SKI AREA - LOWER CA2600614 California Transient Non-Community 514
JUNE MOUNTAIN SKI AREA - UPPER CA2600615 California Transient Non-Community 514
INDIAN CREEK GOLF COURSE CA3100062 California Transient Non-Community 512
LAKEVIEW HILLS COMMUNITY ASSN CA3110102 California Community 512
COLUSA CO. WWD #1 - GRIMES CA0600008 California Community 512
MADERA DISTRICT FAIR CA2000315 California Transient Non-Community 512
INDIANOLA SCHOOL CA1000187 California Non-Transient Non-Community 511
CABAZON C W D CA3301071 California Transient Non-Community 510
KIT CARSON ELEM SCHOOL CA1600014 California Non-Transient Non-Community 510
SOULSBYVILLE ELEMENTARY SCHOOL CA5500106 California Non-Transient Non-Community 510
STARLITE PINES MUTUAL WATER CO INC CA4500195 California Community 510
BURGER KING #9310 CA3601131 California Transient Non-Community 510
Santa Ysabel Enterprise System 090600054 California Non-Transient Non-Community 510
UVAS CANYON COUNTY PARK CA4300616 California Transient Non-Community 509
STUDIOS 6 SUITES CA2000545 California Transient Non-Community 508
CAJON PASS SHELL CA3601169 California Transient Non-Community 507
GREEN ACRES MIDDLE SCHOOL CA5400840 California Non-Transient Non-Community 507
NORTH TAHOE PUD - DOLLAR COVE CA3110036 California Community 507
JENNESS PARK CHRISTIAN CAMP CA5500019 California Transient Non-Community 507
ANTELOPE VALLEY INDIAN MUSEUM STATE PARK CA1910301 California Transient Non-Community 506
BARTLETT PARK CA5400922 California Transient Non-Community 506
CABANA HOLIDAY WS CA2700522 California Community 506