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 |
|---|---|---|---|---|
| CSA 70 W-4 PIONEERTOWN | CA3600196 | California | Community | 470 |
| MID - MC CLURE POINT REC AREA | CA2209063 | California | Transient Non-Community | 470 |
| U.S. COAST GUARD TRAINING CENTER | CA4910701 | California | Community | 469 |
| TEHACHAPI CHURCH OF THE NAZARENE | CA1502753 | California | Non-Transient Non-Community | 469 |
| EDWARDS AFB - AIR FORCE RESEARCH LAB | CA1510702 | California | Non-Transient Non-Community | 469 |
| BELLEVIEW OAKS MUTUAL WATER CO | CA5500042 | California | Community | 468 |
| VISTA GRANDE WATER SYSTEM | CA5200012 | California | Community | 468 |
| GLENWOOD MOBILE ESTATES | CA1400030 | California | Community | 468 |
| EDISON MUTUAL WATER COMPANY | CA1500119 | California | Community | 466 |
| MCUSD - WOODLAND ELEMENTARY SCHOOL | CA2210910 | California | Non-Transient Non-Community | 466 |
| CANYON MEADOWS MUTUAL WATER | CA1500443 | California | Community | 465 |
| K KASAI | CA1000311 | California | Community | 465 |
| WEST PATTON VILLAGE CSD | CA1805009 | California | Community | 465 |
| NEWBERRY MINI MART AND TRUCK STOP | CA3601100 | California | Transient Non-Community | 465 |
| IDLEWHEEL MOBILE HOME PARK | CA5700631 | California | Community | 465 |
| RIPON USD-COLONY OAK SCHOOL | CA3901331 | California | Non-Transient Non-Community | 465 |
| WEST PATTON VILLAGE WATER | CA1800527 | California | Community | 465 |
| ARCOHE ELEM SCHOOL - MAIN CAMPUS | CA3400271 | California | Non-Transient Non-Community | 465 |
| Alturas Desert Rose Casino | 090600601 | California | Non-Transient Non-Community | 464 |
| DUNLAP K-8 SCHOOL | CA1000184 | California | Non-Transient Non-Community | 463 |
| SUTTER HOME WINERY INC. | CA3902180 | California | Non-Transient Non-Community | 463 |
| FCSA 32 - CANTUA CREEK | CA1000359 | California | Community | 462 |
| BROCK MUTUAL WATER COMPANY | CA1500409 | California | Community | 462 |
| SAN SIMEON CSD | CA4000568 | California | Community | 462 |
| RIVERVIEW SCHOOL | CA1000196 | California | Non-Transient Non-Community | 461 |
| FALLEN LEAF MUTUAL WATER CO | CA0900641 | California | Transient Non-Community | 461 |
| CLARKSBURG MIDDLE SCHOOL | CA5700509 | California | Non-Transient Non-Community | 460 |
| RINCON VALLEY MOBILE ESTATES | CA4900600 | California | Community | 460 |
| DIAMOND JIM S CASINO | CA1503360 | California | Non-Transient Non-Community | 460 |
| GRIDLEY FARM LABOR HOUSING | CA0400012 | California | Community | 460 |
| WILLOWSIDE SCHOOL | CA4901156 | California | Non-Transient Non-Community | 460 |
| PENCE VINEYARDS | CA4200978 | California | Transient Non-Community | 460 |
| SJS U DEPT PHYSICAL PLANT SUP | CA4300710 | California | Community | 460 |
| PALM SCHOOL | CA5400673 | California | Transient Non-Community | 459 |
| OROVILLE-WYANDOTTE I. D. | CA0410010 | California | Community | 459 |
| TRAILER HAVEN MOBILE HOME PARK | CA0103041 | California | Community | 459 |
| POINT ARENA WATER WORKS | CA2310013 | California | Community | 459 |
| KENNEDY GROCERY | CA3301359 | California | Transient Non-Community | 458 |
| CENTERVILLE SCHOOL | CA1000104 | California | Non-Transient Non-Community | 456 |
| CLOVERDALE MUTUAL WATER CO. | CA5610068 | California | Community | 455 |
| BUENA VISTA MIGRANT CENTER | CA4400763 | California | Community | 455 |
| PLACER CSA 6 | CA3100009 | California | Community | 455 |
| SIERRA CEDARS COMMUNITY | CA1000073 | California | Community | 455 |
| PRIMEX FARMS WATER SYSTEM | CA1503521 | California | Non-Transient Non-Community | 454 |
| WIND WOLVES PRESERVE | CA1503378 | California | Transient Non-Community | 452 |
| DELHI KINGDOM HALL | CA2400245 | California | Transient Non-Community | 452 |
| BUTTONWILLOW RACEWAY PARK CLASSIC | CA1503249 | California | Transient Non-Community | 451 |
| HOUSTON SCHOOL | CA5400841 | California | Transient Non-Community | 451 |
| CALIFORNIA CITIES WATER CO - INACTIVE | CA4000601 | California | Community | 450 |
| PRATT MUTUAL WATER CO | CA5400683 | California | Community | 450 |