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 |
|---|---|---|---|---|
| JON P RAPAZZINI | CA4300855 | California | Transient Non-Community | 500 |
| RIVER OAKS/KINGDOM HALL | CA5000501 | California | Transient Non-Community | 500 |
| WHITNEY PORTAL | CA1400195 | California | Transient Non-Community | 500 |
| OK 99 HWY SWAP MEET | CA1502474 | California | Transient Non-Community | 500 |
| CLM - SANDY FLAT CAMPGROUND | CA1503203 | California | Transient Non-Community | 500 |
| HUGHSON UNION SD - HUGHSON ELEMENTARY SC | CA5000127 | California | Non-Transient Non-Community | 500 |
| GOLDEN ERA PRODUCTIONS | CA3301280 | California | Community | 500 |
| PINEBROOK MUTUAL WATER CO | CA0500061 | California | Community | 500 |
| ARCO AMPM | CA3601119 | California | Transient Non-Community | 500 |
| BIG MEADOW TRAILHEAD | CA0900527 | California | Transient Non-Community | 500 |
| EAGLE FALLS | CA0900533 | California | Transient Non-Community | 500 |
| THE GROVE | CA3500547 | California | Transient Non-Community | 500 |
| TRACT 92 COMMUNITY SERVICES DISTRICT | CA5400903 | California | Community | 500 |
| CALTRANS REST STOP | CA3700021 | California | Transient Non-Community | 500 |
| CAMP MATHER | CA5500031 | California | Transient Non-Community | 500 |
| HOLLISTER HILLS MOTORCYCLE PAR | CA3500534 | California | Transient Non-Community | 500 |
| HEARST MEMORIAL STATE BEACH | CA4010301 | California | Transient Non-Community | 500 |
| BELL TRAILER CITY | CA1900562 | California | Community | 500 |
| UOP | CA3901170 | California | Community | 500 |
| PRAIRIE CREEK SP-STATE PARKS | CA1210322 | California | Transient Non-Community | 500 |
| CHIMNEY ROCK GOLF COURSE | CA2800576 | California | Transient Non-Community | 500 |
| BERRYESSA PARK HDQTRS | CA2800573 | California | Transient Non-Community | 500 |
| USFS - WHEELER GORGE CAMPGROUND | CA5601716 | California | Transient Non-Community | 500 |
| ESCALON UNIFIED SCHOOL DIST | CA3901166 | California | Non-Transient Non-Community | 500 |
| SACRAMENTO RACEWAY | CA3400216 | California | Transient Non-Community | 500 |
| POLLARDVILLE CHICKEN/PIZZA | CA3901132 | California | Transient Non-Community | 500 |
| CA STATE PARKS & REC DEPT | CA3400236 | California | Transient Non-Community | 500 |
| CROWS LANDING COMM SVC DISTRICT | CA5000005 | California | Community | 500 |
| LSID - TONYVILLE | CA5410007 | California | Community | 500 |
| LSID-STRATHMORE SYSTEM | CA5410036 | California | Community | 500 |
| GREENAMYERS BROS WATER SYS | CA2200009 | California | Community | 500 |
| DEL MONTE CORP #3 | CA4300704 | California | Transient Non-Community | 500 |
| FRANK LEMELIN | CA2200010 | California | Community | 500 |
| WALT'S TRUCK STOP | CA2000646 | California | Transient Non-Community | 500 |
| KINGS RIVER PACKING COMPANY | CA1000514 | California | Non-Transient Non-Community | 500 |
| USFS FRENCH MEADOWS NORTH SHORE | CA3100085 | California | Transient Non-Community | 500 |
| QUICK CHECK | AZ0415042 | California | Transient Non-Community | 500 |
| PINE MARTIN C G | CA0202568 | California | Transient Non-Community | 500 |
| CALIFORNIA STEEL INDUSTRIES | CA3601159 | California | Non-Transient Non-Community | 500 |
| EASTIN ARCOLA SCHOOL | CA2000599 | California | Non-Transient Non-Community | 500 |
| CUYAMACA OUTDOOR SCHOOL | CA3701909 | California | Non-Transient Non-Community | 500 |
| TRACT 92 C.S.D. | CA5403004 | California | Community | 500 |
| SALINAS HIGH SCHOOL | CA2700717 | California | Transient Non-Community | 500 |
| SONOMA TRANSFER STATION | CA4901047 | California | Transient Non-Community | 500 |
| Dear Ridge Inn | CA0300045 | California | Transient Non-Community | 500 |
| VALLEY VIEW PARK MWC | CA3610046 | California | Community | 499 |
| HIDDEN VALLEY COMMUNITY ASSOCIATION | CA3103836 | California | Community | 499 |
| LAKEVIEW HILLS COMMUNITY ASSOC | CA3103835 | California | Community | 499 |
| BROADVIEW TERRACE MUTUAL WATER COMPANY | CA2000521 | California | Community | 498 |
| HESTER SCHOOL | CA5400657 | California | Non-Transient Non-Community | 498 |