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 |
|---|---|---|---|---|
| PETRIFIED FOREST | CA4901299 | California | Transient Non-Community | 304 |
| PINE HAVEN MOBILE HOME VILLAGE | MS0240195 | California | Community | 304 |
| GRACE VALLEY CHRISTIAN CENTER | CA5700784 | California | Non-Transient Non-Community | 304 |
| CALIFORNIA CITIES WATER CO - INACTIVE | CA4000602 | California | Community | 303 |
| RAND COMMUNITIES WATER DISTRICT | CA1510016 | California | Community | 303 |
| APPLE VALLEY VIEW MWC | CA3600012 | California | Community | 303 |
| CUTLER PARK | CA5400583 | California | Transient Non-Community | 303 |
| BOULDER CREEK SCOUT RESERV. | CA4400704 | California | Transient Non-Community | 302 |
| LIGHTHOUSE TRAILER RESORT | CA3600412 | California | Transient Non-Community | 302 |
| ALPINE RETREAT AND CAMP | CA3600602 | California | Transient Non-Community | 302 |
| 5033 PENTECOST | CA5000573 | California | Non-Transient Non-Community | 302 |
| LEHI PARK | CA4400909 | California | Transient Non-Community | 302 |
| EASTON ESTATES WATER COMPANY | CA1000018 | California | Community | 302 |
| SIKH GURDWARA SANTA ROSA | CA4901477 | California | Transient Non-Community | 302 |
| GRANDE HALL AT THE GARDENS | CA1000571 | California | Transient Non-Community | 302 |
| HUNTINGTON PINES MUTUAL COMPANY | CA1000051 | California | Transient Non-Community | 302 |
| HUTTOPIA PARADISE SPRINGS | CA1900008 | California | Transient Non-Community | 302 |
| A W WAY - HUMBOLDT CO. PARKS | CA1200776 | California | Transient Non-Community | 301 |
| SUMMERFIELD WALDORF SCHOOL | CA4900907 | California | Non-Transient Non-Community | 301 |
| CAMP AREV | CA1502524 | California | Transient Non-Community | 301 |
| CAZADERO PERFORMING ARTS CAMP | CA4901107 | California | Transient Non-Community | 301 |
| SUN PACIFIC - TULARE | CA5403031 | California | Non-Transient Non-Community | 301 |
| ESCALON PREMIER BRANDS | CA3900797 | California | Non-Transient Non-Community | 300 |
| FRESHWATER SCHOOL | CA1200744 | California | Non-Transient Non-Community | 300 |
| EL TACO LOCO | CA1503305 | California | Transient Non-Community | 300 |
| CHEVRON SAN JOAQUIN | CA1502561 | California | Non-Transient Non-Community | 300 |
| HAMMOND WATER SYSTEM | CA1600280 | California | Transient Non-Community | 300 |
| MD 46 AHWAHNEE RESORTS | CA2000293 | California | Community | 300 |
| DUNNEVILLE MARKET & KITCHEN | CA3500539 | California | Transient Non-Community | 300 |
| OAKSTONE LLC | CA2000684 | California | Transient Non-Community | 300 |
| NORTH FORK RANGER STATION | CA2000620 | California | Non-Transient Non-Community | 300 |
| STRATHMORE MINIMART | CA5403221 | California | Transient Non-Community | 300 |
| COLUSA GOLF & COUNTRY CLUB | CA0600043 | California | Transient Non-Community | 300 |
| JACKSON LAKES GOLF COURSE | CA1600281 | California | Transient Non-Community | 300 |
| 8986 DEEP CREEK ROAD | CA3601189 | California | Transient Non-Community | 300 |
| BROOKSIDE EQUESTRIAN PARK | CA3400336 | California | Transient Non-Community | 300 |
| R C SOULTS | CA5400671 | California | Community | 300 |
| SAHARA MOBILE COURT | CA3900964 | California | Community | 300 |
| JOHN NIEMES ELEMENTARY SCHOOL | CA1900300 | California | Non-Transient Non-Community | 300 |
| WELLSPRING ACADEMY | CA5400864 | California | Non-Transient Non-Community | 300 |
| OPEN COUNTRY SWAP MEET | CA5400918 | California | Transient Non-Community | 300 |
| TEJA BUENA WATER CO | CA5100508 | California | Community | 300 |
| SOUTHSIDE ELEMENTARY SCHOOL | CA3500521 | California | Non-Transient Non-Community | 300 |
| BERMUDA DUNES COUNTRY CLUB | CA3301039 | California | Non-Transient Non-Community | 300 |
| HICKS WATER COMPANY | CA1500283 | California | Community | 300 |
| TELEDYNE MC CORMICK SELPH | CA3504563 | California | Transient Non-Community | 300 |
| PLUMAS EUREKA ESTATES | CA3200133 | California | Community | 300 |
| CAL TRANS - DIVISION CREEK | CA1400114 | California | Transient Non-Community | 300 |
| MD 63 MEADOW SPRINGS RANCH | CA2000757 | California | Community | 300 |
| CAL TRANS - CRESTVIEW REST AREA | CA2600589 | California | Transient Non-Community | 300 |