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.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| PLEASANT RIDGE SCHOOL | CA2900535 | California | Non-Transient Non-Community | 250 |
| WEIMAR INSTITUTE | CA3100073 | California | Community | 250 |
| ALVIEW SCHOOL | CA2000604 | California | Non-Transient Non-Community | 250 |
| AUBURN HILLS MOBILE ESTATES | CA3100050 | California | Community | 250 |
| TRACTOR SUPPLY COMPANY GLENDIVE | MT0004882 | California | Transient Non-Community | 250 |
| QUEEN MOTEL WS | CA2700706 | California | Community | 250 |
| RANCHO GRANDE MOBILE HOME PARK | CA2400001 | California | Community | 250 |
| MODERN MOBILE HOME PARK | CA2400007 | California | Community | 250 |
| CASTLE MOBILE HOME PARK | CA2400010 | California | Community | 250 |
| Fast Boy Market-CLOSED | CA2400012 | California | Transient Non-Community | 250 |
| USPHS-EAST COCOPAH RESERVATION | AZ0416702 | California | Community | 250 |
| DOLE LOS CERRITOS WELL | CA2400214 | California | Transient Non-Community | 250 |
| UNITARIAN CHURCH OF DAVIS | CA5700773 | California | Non-Transient Non-Community | 250 |
| MALVERN COURTS MHP | PA1150011 | California | Community | 250 |
| CSP-FREMONT PEAK | CA3510300 | California | Transient Non-Community | 250 |
| BLACK BUTTE ELEMENTARY SCHOOL | CA4500183 | California | Non-Transient Non-Community | 250 |
| WEST SACRAMENTO TRAILER PARK | CA5700595 | California | Community | 249 |
| SAN JERARDO COOP WS | CA2701904 | California | Community | 249 |
| SHASTA CSA - CRAGVIEW, #23 | CA4500028 | California | Community | 248 |
| SANTA YSABEL NATURE CENTER | CA3705077 | California | Transient Non-Community | 248 |
| MANNY WATER SYSTEM | CA5403159 | California | Transient Non-Community | 248 |
| DAIRYLAND SCHOOL | CA2000597 | California | Non-Transient Non-Community | 247 |
| COBB AREA CWD - STARVIEW | CA1700574 | California | Community | 247 |
| WILLOWSIDE SCHOOL | CA4900697 | California | Transient Non-Community | 247 |
| LARRUPIN CAFE | CA1200831 | California | Transient Non-Community | 247 |
| ESALEN INSTITUTE WS | CA2701295 | California | Community | 246 |
| COLUSA CO. SERVICE AREA #1-CENTURY RANCH | CA0600012 | California | Community | 246 |
| BORREGO SPRINGS UNIFIED SCHOOL DISTRICT | CA3701007 | California | Non-Transient Non-Community | 246 |
| AUTOCAMP SEQUOIA | CA5400750 | California | Transient Non-Community | 246 |
| EL MARGARITA MUTUAL WATER CO. | CA5100102 | California | Community | 246 |
| CALVARY CHRISTIAN CENTER | CA5100176 | California | Non-Transient Non-Community | 245 |
| JEHOVAH'S WITNESSES - KINGDOM HALL | CA5700817 | California | Transient Non-Community | 245 |
| E & J GALLO WINERY | CA2400169 | California | Non-Transient Non-Community | 245 |
| CENTRAL VALLEY WATER | CA5400915 | California | Community | 245 |
| SULLIVAN MUTUAL WATER COMPANY | CA3600302 | California | Community | 245 |
| GUARDIAN INDUSTRIES LLC | CA1000383 | California | Non-Transient Non-Community | 245 |
| TALMONT WATER CO | CA3100032 | California | Community | 245 |
| GRIMMWAY FARMS COACHELLA VALLEY FACILITY | CA3303112 | California | Non-Transient Non-Community | 245 |
| MUSCATINE MHP LLC | IA7000601 | California | Community | 245 |
| CRESTLINE MOUNTAIN PARK | CA3600411 | California | Community | 245 |
| LAVA BEDS NATIONAL MONUMENT | CA4710500 | California | Transient Non-Community | 245 |
| E&J GALLO WINERY | CA1000447 | California | Non-Transient Non-Community | 245 |
| LLANO MUTUAL WATER COMPANY | CA1900303 | California | Community | 245 |
| SNOWFLOWER | CA3103288 | California | Transient Non-Community | 245 |
| COLLEGE PARK MUTUAL WATER COMPANY | CA4900667 | California | Community | 244 |
| MACE RANCH INC | CA5700533 | California | Transient Non-Community | 244 |
| FOSTER FARMS DELHI FEEDMILL COLLIER ROAD | CA2400165 | California | Non-Transient Non-Community | 244 |
| CALBEE AMERICA INCORPORATED | CA2000507 | California | Non-Transient Non-Community | 244 |
| COUNTRYSIDE ESTATES MWC | CA2702374 | California | Community | 243 |
| LE TRIANON RESORT | CA1700601 | California | Transient Non-Community | 243 |