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
OID #46 - SUNSET OAKS CA5000014 California Community 269
DOWVILLE TRACT ASSOCIATION CA1000017 California Transient Non-Community 269
ROUGH & READY VILLAGE CA2900530 California Community 268
UCLA UNICAMP - CAMP RIVER GLEN CA3600772 California Transient Non-Community 268
ANZAR HIGH SCHOOL CA3500905 California Non-Transient Non-Community 268
RABB PARK COMMUNITY SER. DIST. CA0310015 California Community 268
DI GIORGIO SCHOOL WATER SYSTEM CA1502068 California Non-Transient Non-Community 268
CHRISTIAN BERETS CONF. CENTER CA5500364 California Transient Non-Community 268
RANCHITOS MUTUAL WATER CO CA5601114 California Community 267
River Reflections Estates 090600194 California Community 267
CUYAMACA SP - GREEN VALLEY CA3710312 California Transient Non-Community 266
RIDGEWOOD WATER SYSTEM CA2300708 California Community 265
BOB'S TINY MART CA5400985 California Transient Non-Community 265
NESTLDOWN RANCH CA4301011 California Transient Non-Community 265
HALLIBURTON ENERGY SERVICES CA1503347 California Non-Transient Non-Community 265
THE COTTAGES AT TENAYA LODGE CA2203024 California Transient Non-Community 265
NAVAJO MWC CA3600180 California Community 264
MD 08 NORTH FORK WATER SYSTEM CA2000561 California Community 264
CLEMENTS WATER WORKS #43 CA3900504 California Community 264
JPD REGIONAL POLICE TRAINING CENTER CA1010060 California Transient Non-Community 264
GARDEN ACRES TRAILER PARK CA5700579 California Community 264
LAKESHORE HEIGHTS MUTUAL WATER CA4500014 California Community 264
BELMONT WATER CORPORATION CA1000004 California Community 264
OUTPOST THE CA0400094 California Transient Non-Community 263
ELEVEN OAKS MOBILE HOME COMMUNITY CA3400191 California Community 262
GOLDBERG BROTHERS PROPERTIES, INC. CA4000223 California Non-Transient Non-Community 261
WILLOWS MOBILE HOME COMMUNITY & RV PARK CA1100237 California Community 261
LAWRENCE LIVERMORE NATIONAL LAB-SITE 300 CA3910025 California Non-Transient Non-Community 261
BERRYESSA PINES WATER SYSTEM CA2810009 California Community 261
SHASTA CO CSA # 8 PALO CEDRO CA4500313 California Community 261
CENTRAL CAMP WATER COMPANY CA2000517 California Transient Non-Community 261
RIVERLAND MOBILEHOME PARK CA4500094 California Community 260
TED PARKER CA5300054 California Transient Non-Community 260
SILVER LAKE CAMPGROUND CA2600593 California Transient Non-Community 260
MOSS LANDING MWC CA2701683 California Non-Transient Non-Community 260
SIERRA KING HOMEOWNERS ASSN CA5400940 California Community 260
CLYDE W FROELLICH CA5300050 California Transient Non-Community 260
USFS-BASIN CAMPGROUND V-11 CA1907000 California Transient Non-Community 260
HAPPY ACRES MUTUAL BENEFIT WATER SYSTEM CA4900512 California Community 260
GURNSEY CREEK CAMPGROUND CA5209630 California Transient Non-Community 260
MOBIL CHEMICAL CA1502547 California Non-Transient Non-Community 260
RALPH'S DELI CA4300731 California Transient Non-Community 260
W C FROST DBA TAHOE SWISS V U CA3110132 California Community 260
OPHIR ELEMENTARY SCHOOL WATER SYSTEM CA3100083 California Non-Transient Non-Community 260
OAKVALE PARK CA3700962 California Community 260
BAR H MWC CA3600027 California Community 260
REDWOOD NP-CRESCENT BEACH CA0810501 California Transient Non-Community 260
VINEYARD MUTUAL WATER COMPANY/INDUSTRIAL CA5602120 California Non-Transient Non-Community 259
SUNBIRD MOBILE HOME PARK CA3301755 California Community 258
SARATOGA HEIGHTS MUTUAL WATER COMPANY CA4300545 California Community 258