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 |
|---|---|---|---|---|
| GUNDLACH BUNDSCHU WINERY | CA4901018 | California | Non-Transient Non-Community | 106 |
| INTERNATIONAL PAPER - EXETER BULK | CA5403121 | California | Non-Transient Non-Community | 106 |
| KINGS RIVER ESTATES MUTUAL WATER COMPANY | CA5400536 | California | Community | 106 |
| PARADISE MOBILE ESTATES | CA3600399 | California | Community | 106 |
| FCSA 01 - TAMARACK | CA1000020 | California | Transient Non-Community | 106 |
| LINNS VALLEY SCHOOL | CA1502163 | California | Non-Transient Non-Community | 106 |
| PASO ROBLES RV RANCH | CA4000790 | California | Transient Non-Community | 105 |
| ANABA WINERY | CA4901361 | California | Transient Non-Community | 105 |
| HELM SCHOOL | CA1000186 | California | Community | 105 |
| HANDISTOP MARKET | CA1000619 | California | Transient Non-Community | 105 |
| TRAIL'S END | CA0800535 | California | Transient Non-Community | 105 |
| OAK HEIGHTS W & R CO INC | CA2700665 | California | Community | 105 |
| SCHEID VINEYARD WS | CA2702539 | California | Non-Transient Non-Community | 105 |
| SARAH TOTTEN CAMPGROUND | CA4700611 | California | Transient Non-Community | 105 |
| VARIAN RANCH MUTUAL WATER | CA4000765 | California | Community | 105 |
| SAGE MOTEL | CA1502248 | California | Transient Non-Community | 105 |
| YOSEMITE HIGHLANDS WATER CO | CA5500084 | California | Community | 105 |
| COVE MOBILE VILLA | CA4700626 | California | Community | 105 |
| BEACHCOMBER RESORT | CA0900552 | California | Transient Non-Community | 105 |
| NORTHGATE MUTUAL WATER | CA0707587 | California | Community | 105 |
| MUSD-DISTRICT OFFICE | CA3901210 | California | Non-Transient Non-Community | 105 |
| MORADA ACRES WATER SYSTEM | CA3900512 | California | Community | 105 |
| GREEN ACRE SCHOOL CHILD CARE | CA5700580 | California | Transient Non-Community | 105 |
| MONO VISTA RANCH MHP | CA5500124 | California | Community | 105 |
| JACKASS SPRINGS CAMPGROUND | CA5301207 | California | Transient Non-Community | 105 |
| ST. CLAIR RANCHOS MUTUAL WATER CO. | CA1500507 | California | Community | 105 |
| PALM GAS MART | CA3303064 | California | Transient Non-Community | 105 |
| PG&E DAM SITE EXPANSION HAND PUMP | CA0202553 | California | Transient Non-Community | 105 |
| ASPEN GROVE MOBILE HOME PARK | CO0121123 | California | Community | 105 |
| MCWANE PLANT AND INDUSTRIAL, LLC | CA5402046 | California | Non-Transient Non-Community | 105 |
| RAU DAIRY | CA1009120 | California | Community | 105 |
| CLEAR CREEK OUTDOOR EDUCATION CENTER | CA1900527 | California | Transient Non-Community | 105 |
| DESERET FARMS OF CALIFORNIA | CA5700564 | California | Transient Non-Community | 105 |
| EBRPD BAY POINT REGIONAL SHORELINE | CA0708000 | California | Transient Non-Community | 105 |
| PACIFICA RIVER OAKS LLC | FL6270766 | California | Non-Transient Non-Community | 105 |
| CSP - TULE ELK | CA1510302 | California | Transient Non-Community | 105 |
| JACKASS SPRINGS CAMPGROUND | CA5300086 | California | Transient Non-Community | 105 |
| SHILOH SCHOOL DISTRICT | CA5000295 | California | Non-Transient Non-Community | 105 |
| PORT OF CALL - WEST | MI0040491 | California | Community | 105 |
| PACKWOOD SCHOOL | CA5400850 | California | Non-Transient Non-Community | 105 |
| NICASIO RANCH LLC | CA2100553 | California | Transient Non-Community | 104 |
| CAMP TRINIDAD RV RESORT | CA1200728 | California | Transient Non-Community | 104 |
| NPS - HOLE IN THE WALL CAMPGROUND | CA3600321 | California | Transient Non-Community | 104 |
| CAMPBELL WATER SYSTEM | CA1500490 | California | Community | 104 |
| BUREAU OF LAND MGT | CA5300081 | California | Transient Non-Community | 104 |
| HICKEY PARK | CA1600265 | California | Transient Non-Community | 104 |
| IHS NOR CAL YOUTH TRMNT CTR(SACRED OAKS) | CA5710013 | California | Non-Transient Non-Community | 104 |
| DINO MART 1 | CA1000625 | California | Transient Non-Community | 104 |
| OAK DELL PARK | CA4300603 | California | Community | 104 |
| PINYON CREST HOA | CA3301511 | California | Community | 104 |