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 |
|---|---|---|---|---|
| GARRAPATA WATER SYSTEM | CA2701385 | California | Community | 120 |
| OAK HAVEN ASSOCIATION | CA3301528 | California | Community | 120 |
| LAKEVIEW RANCHOS MUTUAL WATER COMPANY | CA1500525 | California | Community | 120 |
| CHERRY VALLEY RANCH LLC | CA3301245 | California | Transient Non-Community | 120 |
| BAY TREE SPRINGS - USFS | CA3301697 | California | Transient Non-Community | 120 |
| JOHNSON VALLEY COMMUNITY CENTER | CA3601176 | California | Transient Non-Community | 120 |
| JOHN B. SANFILIPPO & SON, INC. | CA2400231 | California | Non-Transient Non-Community | 120 |
| ECHO LAKE CAMP | CA0900650 | California | Transient Non-Community | 120 |
| SAN MARCOS MUTUAL WATER COMPANY | CA4200580 | California | Community | 120 |
| USFS/JACKASS MEADOW CAMPGROUND | CA1000489 | California | Transient Non-Community | 120 |
| NORTH DOS PALOS WATER DISTRICT | CA2410016 | California | Community | 120 |
| KIERNAN BUSINESS CENTER | CA5000552 | California | Non-Transient Non-Community | 120 |
| MILLERS HILL SCHOOL | CA0900210 | California | Non-Transient Non-Community | 120 |
| FOXFIELD RIDING SCHOOL | CA5603124 | California | Transient Non-Community | 120 |
| Fort Independence | 090600129 | California | Community | 120 |
| BIG WHEEL MOBILE HOME PARK | CA3900637 | California | Community | 120 |
| CSP SADDLE MOUNTAIN | CA4410307 | California | Transient Non-Community | 120 |
| SPECKMAN, HERB FARMS 39-78 | CA3901383 | California | Transient Non-Community | 120 |
| KINGS CANYON MOBILE HOME PARK | CA1000267 | California | Community | 120 |
| LAS PALMAS MOBILE HOME PARK | CA0800700 | California | Community | 120 |
| BURNT MILL CANYON MUTUAL WATER | CA3600034 | California | Community | 119 |
| KINGS CANYON HIGH SCHOOL | CA1000316 | California | Non-Transient Non-Community | 119 |
| A.C. STILL | CA5500043 | California | Community | 119 |
| FOREST RANCH MUTUAL WATER SYSTEM | CA0400004 | California | Community | 119 |
| SPRING CREEK ESTATES PWS | CA3900927 | California | Community | 119 |
| CITY OF MODESTO - CENTRAL TURLOCK | CA5010035 | California | Community | 119 |
| Round Valley Health Clinic | 090605113 | California | Non-Transient Non-Community | 119 |
| CENTRAL MUTUAL WATER CO | CA5400655 | California | Community | 119 |
| GREEN MEADOWS OUTDOOR SCHOOL | CA2203059 | California | Transient Non-Community | 119 |
| SAN ANTONIO CANYON MSC | CA3610082 | California | Community | 119 |
| DUNE 3 MUTUAL WATER COMPANY, LLC | CA1502690 | California | Community | 119 |
| BIG SUR BAZAAR WS | CA2702209 | California | Transient Non-Community | 119 |
| PAGE AVENUE MUTUAL WATER COMPANY | CA3000585 | California | Community | 119 |
| DEEP CANYON WATER CO | CA3301192 | California | Community | 118 |
| THE FRUIT YARD RESTAURANT | CA5000154 | California | Non-Transient Non-Community | 118 |
| MENF-LETTS LAKE CG | CA0600056 | California | Transient Non-Community | 118 |
| ST FRANCIS TRACT WATER SYSTEM | CA4400557 | California | Community | 118 |
| HORNBROOK ELEMENTARY SCHOOL | CA4700584 | California | Transient Non-Community | 118 |
| BUHACH PRESCHOOL (KINDERCARE) | CA2400134 | California | Non-Transient Non-Community | 118 |
| JOHN PESELK | CA0300020 | California | Transient Non-Community | 117 |
| PT SUR NAVAL FACILITY | CA2701270 | California | Transient Non-Community | 117 |
| POINT PLEASANT CAMPGROUND | CA0900412 | California | Transient Non-Community | 117 |
| BAYVIEW CENTER | MT0002681 | California | Non-Transient Non-Community | 116 |
| JESSIE JAMES TRAILER PARK | CA1502135 | California | Community | 116 |
| JACK HALE, PRESIDENT | CA3000828 | California | Community | 116 |
| DEL ORO WC - LARKSPUR MEADOWS | CA5200574 | California | Community | 116 |
| MOHRLAND MUTUAL WATER SYSTEM | CA0103039 | California | Community | 116 |
| HIDDEN CANYON RANCH MWC | CA2702554 | California | Community | 116 |
| LODI USD-CLEMENTS SCHOOL | CA3900830 | California | Non-Transient Non-Community | 116 |
| HESSEL CHURCH | CA4901008 | California | Transient Non-Community | 116 |