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 |
|---|---|---|---|---|
| LAKE MORENA VIEWS MWC | CA3700924 | California | Community | 360 |
| Pala South | 090600144 | California | Community | 360 |
| BERINGER WINE WORLD | CA2800514 | California | Transient Non-Community | 360 |
| VISTA DEL RIO WATER SYSTEM | CA2701915 | California | Community | 360 |
| FOWLERS CAMPGROUND-STNF | CA4700565 | California | Transient Non-Community | 360 |
| GRIMMWAY ENTERPRISES - CAL ORGANIC THERM | CA3301176 | California | Non-Transient Non-Community | 360 |
| PARADISE RANCH MHP | CA1910099 | California | Community | 360 |
| TOWER PARK MARINA | CA3900718 | California | Community | 360 |
| YUIMA MUNICIPAL WATER DISTRICT | CA3701408 | California | Community | 360 |
| Vali-Hi Mobile Home Park | CA3600408 | California | Community | 360 |
| HITCHCOCK RD WS #01 | CA2702320 | California | Community | 360 |
| KLAMATH C.S.D. | CA0800548 | California | Community | 360 |
| CROWLEY SCHOOL | CA5400839 | California | Non-Transient Non-Community | 358 |
| CAMP JONES GULCH | CA4100538 | California | Community | 357 |
| VERDE VALE WATER COMPANY | CA4500007 | California | Community | 356 |
| CANADA WOODS WC | CA2702588 | California | Community | 356 |
| WASUMA SCHOOL | CA2000616 | California | Non-Transient Non-Community | 354 |
| BEAR FLAG FARMS | CA1000588 | California | Transient Non-Community | 354 |
| SHANDON COUNTY - INACTIVE | CA4000662 | California | Community | 354 |
| FILLMORE IRRIGATION CO | CA5601105 | California | Community | 353 |
| PENINSULA RECREATION AREA | CA0901246 | California | Transient Non-Community | 353 |
| WILLOW GLEN SCHOOL | CA5400842 | California | Transient Non-Community | 353 |
| BUTTERFIELD RANCH | CA3701184 | California | Community | 353 |
| GREAT WESTERN ELEMENTARY SCHOOL | CA1000185 | California | Non-Transient Non-Community | 352 |
| PINE GROVE WATER SYSTEM | CA1700526 | California | Community | 352 |
| CDPR-HATFIELD | CA2410302 | California | Transient Non-Community | 352 |
| FISHERMAN'S RETREAT | CA3301267 | California | Community | 352 |
| OLIVE DELL RANCH | CA3600187 | California | Community | 350 |
| WILDEWOOD EAST MUTUAL | CA5101009 | California | Community | 350 |
| MODESTO NGHBORHD CHRCH-MODESTO CHRISTIAN | CA5000156 | California | Non-Transient Non-Community | 350 |
| MIDWAY TRAILER CITY | CA3010005 | California | Community | 350 |
| CALTRANS-HONEY LAKE SRRA | CA1800531 | California | Transient Non-Community | 350 |
| NPS-BUCKEYE FLAT | CA5410510 | California | Transient Non-Community | 350 |
| FCSA 44D - MONTE VERDI | CA1000550 | California | Community | 350 |
| GEORGE CHIALA FARMS, INC.. | CA3500928 | California | Non-Transient Non-Community | 350 |
| ORWOOD RESORT | CA0707545 | California | Community | 350 |
| RIDGECREST COMMUNITY HOSPITAL | CA1502365 | California | Transient Non-Community | 350 |
| WALLER TRACT WATER DISTRICT | CA3301735 | California | Community | 350 |
| RANCHO CORRIDO RV RESORT | CA3702754 | California | Community | 350 |
| TURLOCK GOLF & COUNTRY CLUB | CA2400078 | California | Non-Transient Non-Community | 350 |
| TULARE UNION HIGH SCHOOL | CA5400726 | California | Transient Non-Community | 350 |
| KERMIT MCKENZIE JR HIGH SCHOOL | CA4200821 | California | Non-Transient Non-Community | 350 |
| NORVAL R JESSEE | CA0400002 | California | Community | 350 |
| PROCTER & GAMBLE | CA3400205 | California | Transient Non-Community | 350 |
| SAN BENANCIO SCHOOL WS | CA2701227 | California | Non-Transient Non-Community | 350 |
| SHAMROCK MOBILE & R V PARK | CA5400799 | California | Community | 350 |
| ELK GROVE PARK | CA3400295 | California | Transient Non-Community | 350 |
| ANDERSON VALLEY ELEMENTARY SCHOOL | CA2300770 | California | Non-Transient Non-Community | 350 |
| TRAILERLAND TRAILER PARK | CA3000802 | California | Community | 350 |
| OAK VIEW UNION ELEMENTARY SCH | CA3900846 | California | Non-Transient Non-Community | 350 |