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.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| DENNY BOYS WATER SYSTEM | CA3901124 | California | Transient Non-Community | 300 |
| MT. PLEASANT WATER USERS ASSOCIATION | CA4300563 | California | Community | 300 |
| PUMICE FLATS CAMPGROUND | CA2000379 | California | Transient Non-Community | 300 |
| BILTMORE HOTEL | CA4200676 | California | Non-Transient Non-Community | 300 |
| FIRST BAPTIST CHURCH | CA5700701 | California | Transient Non-Community | 300 |
| SAN JOAQUIN COUNTY | CA3901009 | California | Community | 300 |
| SACWEST RV PARK AND CAMPGROUND | CA5700584 | California | Transient Non-Community | 300 |
| BERRYESSA BREWING COMPANY | CA5700618 | California | Transient Non-Community | 300 |
| BLACK BUTTE LAKE, HEADQUARTERS, USCOE | CA5201142 | California | Transient Non-Community | 300 |
| COLUMBIA ELEMENTARY SCHOOL | CA5500166 | California | Transient Non-Community | 300 |
| F M C | CA4300810 | California | Transient Non-Community | 300 |
| GROVE WATER SYSTEM | CA3400127 | California | Community | 300 |
| MARINA DEL MAR MOBILE PARK | CA2700880 | California | Community | 300 |
| FIORI'S RESTAURANT | CA4900886 | California | Transient Non-Community | 300 |
| TAHOE WATERFRONT CLUB | CA0900556 | California | Transient Non-Community | 300 |
| SNP-CRYSTAL CAVE | CA5410508 | California | Transient Non-Community | 300 |
| NPS-CRYSTAL CAVE PK LOT | CA5410509 | California | Transient Non-Community | 300 |
| USFS SOURGRASS CAMPGD | CA5500263 | California | Transient Non-Community | 300 |
| ELEVATE CAMPS SMALL WATER SYSTEM | CA4500325 | California | Transient Non-Community | 300 |
| SONORA WATER CO, INC | CA5500024 | California | Community | 300 |
| HERNDON WATER COMPANY | CA1000048 | California | Community | 300 |
| EMPIRE REST STOP (CALTRANS) | CA2300820 | California | Transient Non-Community | 300 |
| STOCKTON MOOSE LODGE | CA3900778 | California | Transient Non-Community | 300 |
| CHEROKEE MEMORIAL PARK INC WATER SYSTEM | CA3902194 | California | Transient Non-Community | 300 |
| INTERSTATE BRANDS CORP | CA3400355 | California | Transient Non-Community | 300 |
| NORTH VALLEY CALVARY CHAPEL | CA5103319 | California | Transient Non-Community | 300 |
| CHUALAR GRAMMER SCHOOL | CA2700531 | California | Transient Non-Community | 300 |
| NID GREENHORN CAMPGROUND | CA2900577 | California | Transient Non-Community | 300 |
| FORT OASIS STATION-OOB | CA3301965 | California | Transient Non-Community | 300 |
| INTEL CORPORATION F251 | CA3400373 | California | Transient Non-Community | 300 |
| FILIBERTO GARCIA | CA3901018 | California | Transient Non-Community | 300 |
| METZ ROAD WELL | CA2701303 | California | Community | 300 |
| IRWINDALE BREWERY YARD (IBY) | CA1900035 | California | Non-Transient Non-Community | 300 |
| SB TECH CENTER | CA4200711 | California | Non-Transient Non-Community | 300 |
| THE LODGE AT SONOMA | CA4901258 | California | Non-Transient Non-Community | 300 |
| GLENHAVEN MUTUAL WATER COMPANY | CA1700508 | California | Community | 300 |
| DEL RIO GOLF & COUNTRY CLUB | CA5000265 | California | Transient Non-Community | 300 |
| CREEKSIDE VILLAGE | CA2900531 | California | Community | 300 |
| WILSHIRE BLVD TEMPLE CAMPS/CAMP HESS KRA | CA5602304 | California | Transient Non-Community | 300 |
| OUR LADY OF FATIMA SCHOOL - HOLY FAMILY | CA1909007 | California | Non-Transient Non-Community | 300 |
| AL HANFORD | CA4300644 | California | Community | 300 |
| CDF-FRASIER MILL CAMPGROUND | CA5403026 | California | Transient Non-Community | 300 |
| WOODWARD BLUFFS MHP | CA1000298 | California | Community | 300 |
| JACK IN THE BOX #3465 | CA5700562 | California | Transient Non-Community | 300 |
| CARIBBEES MOBILEHOME PARK | CA4300703 | California | Community | 300 |
| JR SIMPLOT CO | CA3900810 | California | Non-Transient Non-Community | 300 |
| RIVERDALE ESTATES | CA3301040 | California | Community | 300 |
| HORIZON NUT LLC | CA5401033 | California | Non-Transient Non-Community | 300 |
| GREELEY SCHOOL | CA1502106 | California | Transient Non-Community | 300 |
| MODESTO MOBILE HOME PARK | CA5000066 | California | Community | 300 |