Browse Water Systems
434,040 public water systems.
Public Water Systems Database
Browse 434,040 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 |
|---|---|---|---|---|
| SALUDA CO W&S AUTHORITY (4120001) | SC4120001 | South Carolina | Community | 4,535 |
| ORO VALLEY WATER COUNTRYSIDE | AZ0410175 | Arizona | Community | 4,534 |
| ERWIN, TOWN OF | NC0343035 | North Carolina | Community | 4,533 |
| CITY OF OVILLA | TX0700067 | Texas | Community | 4,532 |
| ASHVILLE VILLAGE PWS | OH6500012 | Ohio | Community | 4,529 |
| CRYSTAL RIVER, CITY OF | FL6090317 | Florida | Community | 4,528 |
| CAL AM - BASS LAKE | CA2010003 | California | Community | 4,527 |
| MOUNT VERNON WATER SUPPLY | IA5758021 | Iowa | Community | 4,527 |
| UNICOI UTILITY DISTRICT | TN0000719 | Tennessee | Community | 4,527 |
| OCONALUFTEE JOB CORP | NC0187516 | North Carolina | Transient Non-Community | 4,525 |
| CRESTLINE VILLAGE PWS | OH1700112 | Ohio | Community | 4,525 |
| TOWN OF HOMER WATER SYSTEM | LA1027003 | Louisiana | Community | 4,524 |
| LAWRENCEVILLE | IL1010150 | Illinois | Community | 4,524 |
| ELIZABETH TOWN OF | CO0120010 | Colorado | Community | 4,523 |
| MORGAN CITY WATER SYSTEM | UTAH15008 | Utah | Community | 4,520 |
| MONTGOMERY VILLAGE | NY3503542 | New York | Community | 4,519 |
| COOPERSVILLE | MI0001610 | Michigan | Community | 4,519 |
| BUHL CITY OF | ID5420007 | Idaho | Community | 4,518 |
| BUTLER | GA2690000 | Georgia | Community | 4,518 |
| HARRIS COUNTY MUD 344 | TX1012974 | Texas | Community | 4,518 |
| DARDANELLE WATERWORKS | AR0000601 | Arkansas | Community | 4,517 |
| FREMONT | MI0002490 | Michigan | Community | 4,516 |
| BREMEN WATER DEPARTMENT | IN5250003 | Indiana | Community | 4,516 |
| CAROLINA TRACE WATER SYSTEM | NC0353101 | North Carolina | Community | 4,516 |
| CITY OF MINEOLA | TX2500002 | Texas | Community | 4,515 |
| GTNP-COLTER BAY VILLAGE | WY5680095 | Wyoming | Community | 4,514 |
| BUFFALO TRAIL WATER ASSOC | KY0810046 | Kentucky | Community | 4,514 |
| PFEIFFER-N STANLY WATER ASSOC | NC0184025 | North Carolina | Community | 4,513 |
| RANLO, TOWN OF | NC0136034 | North Carolina | Community | 4,511 |
| COTTONWOOD MUNICIPAL WATER VV6 | AZ0413106 | Arizona | Community | 4,509 |
| NEW HARTFORD WATER IMPROV.DIST | NY3202414 | New York | Community | 4,508 |
| HARRIS COUNTY MUD 284 | TX1013114 | Texas | Community | 4,506 |
| GOLDEN STATE WATER COMPANY - NIPOMO | CA4010018 | California | Community | 4,506 |
| LARRY PARKS - D.N.R. | IN2570195 | Indiana | Transient Non-Community | 4,506 |
| PACIFIC POWER & LIGHT CO | OR4100679 | Oregon | Community | 4,505 |
| CITY OF DILLEY | TX0820001 | Texas | Community | 4,505 |
| BETHANY SUD | TX1260016 | Texas | Community | 4,503 |
| MONTICELLO, CITY OF | FL1330478 | Florida | Community | 4,502 |
| KELLOGG COMPANY | MI1320167 | Michigan | Non-Transient Non-Community | 4,500 |
| POLVADERO GOLF COURSE | CA1000222 | California | Transient Non-Community | 4,500 |
| MENANDS VILLAGE | NY0100200 | New York | Community | 4,500 |
| BLOOMER PARK | MI2055463 | Michigan | Transient Non-Community | 4,500 |
| HCO UD NO 1 | TX1010723 | Texas | Community | 4,500 |
| LA VERKIN CITY WATER SYSTEM | UTAH27009 | Utah | Community | 4,500 |
| BROOME COUNTY FAIRGROUNDS | NY0330068 | New York | Transient Non-Community | 4,500 |
| FAIRVIEW TWP WATER DISTRICT 1 | PA6250087 | Pennsylvania | Community | 4,500 |
| LAMAR PWS | MO5010446 | Missouri | Community | 4,500 |
| PETERBOROUGH WATER WORKS | NH1871010 | New Hampshire | Community | 4,500 |
| BLACK HAWK WATER USER DISTRICT | SD4600043 | South Dakota | Community | 4,500 |
| OCWA CANASTOTA | NY2602370 | New York | Community | 4,500 |