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 |
|---|---|---|---|---|
| NATIONAL 9 | CA0900581 | California | Non-Transient Non-Community | 63 |
| LAZY W RANCH WATER SYSTEM | CA3000778 | California | Transient Non-Community | 63 |
| LODI UNIFIED SCHOOL DISTRICT | CA3901126 | California | Transient Non-Community | 63 |
| LAMAR STREET WATER SYSTEM #2 | CA2700616 | California | Community | 63 |
| RICHMOND HUNTING CLUB - ARBUCKLE | CA0605009 | California | Transient Non-Community | 63 |
| MARTINELLI RANCH | CA4901093 | California | Non-Transient Non-Community | 63 |
| PANORAMIC TRAILER PARK | CA0800513 | California | Transient Non-Community | 63 |
| LINDA VISTA FARMS | CA1000445 | California | Community | 63 |
| South Campo | 090600059 | California | Community | 63 |
| MERCED FRUIT BARN | CA2400315 | California | Transient Non-Community | 63 |
| SOUTH CLEAR CREEK WATER ASSOC | CA4500111 | California | Community | 63 |
| SCRIBE WINERY | CA4901409 | California | Transient Non-Community | 62 |
| BLACKBERRY TRAILER PARK | CA0800624 | California | Transient Non-Community | 62 |
| TWENTYNINE PALMS INN | CA3600608 | California | Transient Non-Community | 62 |
| USFS-TOIYABE, CHAS NAPES BLDG | CA2610400 | California | Transient Non-Community | 62 |
| SIERRA LAKES CHRISTIAN MINISTRIES | CA5400924 | California | Transient Non-Community | 62 |
| WAMPUM HILL TRAILER VILLAGE | CA2210920 | California | Transient Non-Community | 62 |
| NELSON INDUSTRIAL PARK | CA2900618 | California | Non-Transient Non-Community | 62 |
| MURRAY FAMILY FARMS AT GENERAL BEALE RD | CA1503565 | California | Transient Non-Community | 62 |
| HILL HOUSE AT TRAILBORN MENDOCINO | CA2300746 | California | Transient Non-Community | 62 |
| QUAIL RIDGE RV PARK | CA5800826 | California | Transient Non-Community | 62 |
| FOREST POINT MHC | CA0300024 | California | Community | 62 |
| TUD-WARDS FERRY RANCHES | CA5500363 | California | Community | 62 |
| 18962 SANDY ROAD CASTRO | CA5000074 | California | Community | 62 |
| RANCHOS DEL RIO | CA1500553 | California | Community | 62 |
| CASCADE MUTUAL WATER COMPANY | CA0900523 | California | Transient Non-Community | 62 |
| ZONNEVELD DAIRY - CERINI | CA1000627 | California | Community | 62 |
| RISING SUN SCHOOL | CA5000254 | California | Non-Transient Non-Community | 62 |
| PALISADES, THE | CA1100452 | California | Community | 62 |
| LEWIS ROAD WATER SYSTEM #4 | CA2700628 | California | Community | 62 |
| U.S. FOREST SERVICE | CA5300033 | California | Transient Non-Community | 62 |
| NPS LASSEN VOLCANIC NP | CA4510500 | California | Community | 62 |
| SANGIACOMO WINERY | CA4901466 | California | Transient Non-Community | 62 |
| NORFIELD INDUSTRIES | CA0409175 | California | Non-Transient Non-Community | 62 |
| Z RANCH MWC | CA2700731 | California | Community | 62 |
| CAMEO ICE CREAM PARLOR | CA0500034 | California | Transient Non-Community | 62 |
| SPRING HILLS GOLF COURSE | CA4400823 | California | Transient Non-Community | 62 |
| WASHINGTON RIDGE C.C. | CA2910013 | California | Community | 62 |
| HERLONG MOBILEHOME PARK | CA1800521 | California | Community | 62 |
| TEEN CHALLENGE, INC. | CA1503082 | California | Transient Non-Community | 62 |
| DAN R COSTA INC (WS) | CA3902183 | California | Transient Non-Community | 62 |
| REDWIND FOUNDATION - INACTIVE | CA4000666 | California | Community | 62 |
| U.S. ARMY CORPS-LIBERTY GLEN CAMPGROUND | CA4901205 | California | Transient Non-Community | 62 |
| 88 MARKET & GRILL | CA3902216 | California | Transient Non-Community | 62 |
| DESTINY MCINTYRE RV CAMPGROUND | CA3301571 | California | Transient Non-Community | 61 |
| MARK WEST ACRES MWC | CA4900605 | California | Community | 61 |
| FLOW RESTAURANT | CA2301012 | California | Transient Non-Community | 61 |
| MONTEREY BAY NURSERY WS | CA2702336 | California | Non-Transient Non-Community | 61 |
| MAD RIVER COMPOUND - USFS | CA5305103 | California | Transient Non-Community | 61 |
| MISIONERO VEGETABLES WS | CA2701946 | California | Non-Transient Non-Community | 61 |