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
OAKVALE PARK CA3700962 California Community 260
RALPH'S DELI CA4300731 California Transient Non-Community 260
VINEYARD MUTUAL WATER COMPANY/INDUSTRIAL CA5602120 California Non-Transient Non-Community 259
CAMP SUGAR PINE CA2000560 California Transient Non-Community 258
SARATOGA HEIGHTS MUTUAL WATER COMPANY CA4300545 California Community 258
IVCSD CRESCENT MILLS CA3200510 California Community 258
SUNBIRD MOBILE HOME PARK CA3301755 California Community 258
KERMAN EVENT CENTER CA1000674 California Transient Non-Community 258
LDS CHURCH MERCED CA2400327 California Transient Non-Community 257
YUCAIPA VALLEY C W D - I D 1 CA3301761 California Community 257
MORADA OAKS MOBILEHOME COMM CA3900704 California Transient Non-Community 256
NAZARENE CHRISTIAN SCHOOL CA3900997 California Transient Non-Community 256
GREEN ACRES TRAILER PARK CA2300775 California Transient Non-Community 256
PHENEGER CREEK WS CA2702373 California Non-Transient Non-Community 256
SCE/CAMP EDISON-SHAVER CA1000282 California Transient Non-Community 256
ASHVILLE COUNTRY ESTATES PWS OH6501112 California Community 256
CCWD - WALLACE CA0510019 California Community 255
WOODLAND ELEMENTARY SCHOOL CA2204030 California Non-Transient Non-Community 255
GILL SIDHU CHEVRON CA4810034 California Transient Non-Community 255
WILSON SCHOOL CA4900712 California Transient Non-Community 255
PAUL HADLEY CA3301072 California Community 255
NEWBERRY ELEMENTARY SCHOOL CA3600790 California Non-Transient Non-Community 255
WOODLAND ELEMENTARY SCHOOL CA2200030 California Transient Non-Community 255
PINE VALLEY BIBLE CONFERENCE CENTER CA3701934 California Community 255
HOPE ELEMENTARY SCHOOL CA5400994 California Non-Transient Non-Community 255
WILDEWOOD MUTUAL WATER CO., INC. CA5100109 California Community 255
CAL 20 VILLAGE AND MEADOW POINTE PARK CA1700595 California Community 255
RIVER BEND RESORT CA4900745 California Transient Non-Community 255
NAPA MOBIL MANOR CA2800544 California Community 255
HITCHIN POST RV TX0950078 California Transient Non-Community 255
SILVERADO PINES MOBILE HOME CA2800548 California Community 255
PUEBLO TRAILER PARK - INACTIVE CA2800546 California Community 255
Robinson Rancheria Gas Station 090605171 California Transient Non-Community 255
TAHOE TIMBER TRAILS CA2900507 California Non-Transient Non-Community 254
ARTOIS COMMUNITY S.D. CA1100203 California Community 254
U.S.N., SAN NICOLAS ISLAND CA5610702 California Community 254
IRISH BEACH WATER DISTRICT CA2310012 California Community 254
NPS - KELSO DEPOT CA3610301 California Transient Non-Community 254
BRANCH ELEMENTARY SCHOOL CA4000675 California Non-Transient Non-Community 253
ALMOND GROVE MOBILE PARK CA0400040 California Community 253
NID SCOTTS FLAT LAKE RESERVOIR CA2900599 California Transient Non-Community 253
CLEAR WATER MUTUAL WATER COMPANY CA1700546 California Community 252
SUSAN HILLS ESTATES WC CA1800529 California Community 252
WEIMAR WATER COMPANY CA3100021 California Community 252
132 INVESTMENTS WATER SYSTEM CA3901031 California Community 252
HOUGHTON-KEARNEY SCHOOL CA1000206 California Non-Transient Non-Community 252
SONOMA COUNTY PARKS-VET. MEMORIAL BEACH CA4901222 California Transient Non-Community 252
GORMAN'S RESTAURANT CA5700557 California Transient Non-Community 252
RUTH LAKE RECREATION AREA CA5305004 California Transient Non-Community 252
ROYAL OAKS PARK WS CA2700636 California Transient Non-Community 251