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 |
|---|---|---|---|---|
| MD 73 QUARTZ MOUNTAIN | CA2000690 | California | Community | 375 |
| LAS DELTAS MUTUAL WATER COMPANY | CA1000054 | California | Community | 375 |
| NICHOLS FARMS | CA1600602 | California | Non-Transient Non-Community | 375 |
| PRAIRIE ELEMENTARY SCHOOL | CA4500161 | California | Non-Transient Non-Community | 375 |
| BLUE & GOLD STAR MOBILE HOME | CA4400770 | California | Community | 375 |
| CONWAY RANCH | CA2600629 | California | Transient Non-Community | 375 |
| SOUTH FORK ESTATES | CA5403003 | California | Community | 375 |
| Burns Brothers Inc. | CA5200605 | California | Non-Transient Non-Community | 375 |
| TOWN & COUNTRY MOBILE VILLAGE | CA4300723 | California | Community | 375 |
| SPIRIT MOUNTAIN UTILITY COMPANY | NV0000221 | California | Community | 375 |
| BATES ELEMENTARY SCHOOL | CA3400267 | California | Non-Transient Non-Community | 375 |
| PLACER COUNTY WATER AGENCY | CA3110037 | California | Community | 373 |
| ANDERSON SPRINGS CSD | CA1700502 | California | Community | 373 |
| GOLDEN STATE WATER MORONGO DELNORTE | CA3600270 | California | Community | 373 |
| CALIFORNIAN MOBILE HOME PARK | CA1900843 | California | Community | 372 |
| TRUE LEAF FARMS, LLC. | CA3500917 | California | Non-Transient Non-Community | 372 |
| INTERSTATE 5 UTILITIES CO | CA1500492 | California | Transient Non-Community | 372 |
| MODESTO CHRISTIAN SCHOOL | CA5000206 | California | Transient Non-Community | 370 |
| SMILEY PARK COUNTRY CLUB | CA3600260 | California | Community | 370 |
| LAKELAND WATER COMPANY | CA1500363 | California | Community | 370 |
| BENBOW-DEL ORO W.C. | CA1200671 | California | Community | 370 |
| OAK CREEK MOBILE HOME PARK | CA2000775 | California | Community | 370 |
| CSP-WESTPORT STATE BEACH | CA2310312 | California | Transient Non-Community | 370 |
| HUTTOPIA SIX SIGMA CAMPGROUND | CA1700741 | California | Transient Non-Community | 370 |
| WESTPORT COUNTY WATER DISTRICT | CA2300730 | California | Community | 369 |
| CALVARY CHAPEL CHRISTIAN CAMP | CA3600595 | California | Transient Non-Community | 369 |
| STATE PARK SERVICE | CA1200594 | California | Transient Non-Community | 369 |
| BURLINGTON CG-STATE PARKS | CA1210324 | California | Transient Non-Community | 368 |
| CLAWA LAKE ARROWHEAD CREST EST | CA3600143 | California | Community | 368 |
| SO CAL WATER CO VICTORVILLE 6 | CA3600282 | California | Community | 368 |
| SAVIERS ROAD MUTUAL WATER CO | CA5602115 | California | Community | 368 |
| AGUA FRIA MSC | CA3600003 | California | Community | 368 |
| FOREST GLEN ESTATES MHP | GA0350004 | California | Community | 367 |
| WILDHORSE CAFE WS | CA2701172 | California | Non-Transient Non-Community | 367 |
| BLACK RASCAL WATER COMPANY | CA2400046 | California | Community | 367 |
| USFS BAKER/DEADMAN CGD | CA5500001 | California | Transient Non-Community | 366 |
| USFS/LASSEN HAT CREEK CAMPGRND | CA4500024 | California | Transient Non-Community | 365 |
| NPS PRNS - FIVE BROOKS | CA2110010 | California | Transient Non-Community | 365 |
| ENOS LANE PUBLIC UTILITY DISTRICT | CA1500544 | California | Community | 365 |
| MOUNT DIABLO STATE PARK | CA0710300 | California | Transient Non-Community | 364 |
| HEIGHTS MUTUAL WATER COMPANY | CA4900612 | California | Community | 363 |
| CDPR FOUR RIVERS DISTRICT-BASALT | CA2410303 | California | Transient Non-Community | 363 |
| HIDDEN PINES CAMPGROUND | CA2300831 | California | Transient Non-Community | 362 |
| SANTA MARGARITA RANCH HEADQUARTERS | CA4000842 | California | Non-Transient Non-Community | 362 |
| SIERRA VILLAGE MUTUAL WATER CO | CA5500074 | California | Community | 361 |
| YOSEMITE RV RESORT | CA2000587 | California | Transient Non-Community | 361 |
| HAVASU WC | CA3610017 | California | Community | 361 |
| Havasu Water Company | 090600202 | California | Community | 361 |
| USFS PINECREST REC AREA | CA5500157 | California | Non-Transient Non-Community | 361 |
| MONTEREY MUSHROOMS | CA4300941 | California | Non-Transient Non-Community | 361 |