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 |
|---|---|---|---|---|
| OCONTO WATERWORKS | WI4430495 | Wisconsin | Community | 4,583 |
| FLEMINGSBURG UTILITY SYSTEM | KY0350134 | Kentucky | Community | 4,583 |
| FLEMINGTON WATER DEPARTMENT | NJ1009001 | New Jersey | Community | 4,581 |
| IVANHOE PUBLIC UTILITY DIST | CA5410019 | California | Community | 4,580 |
| SCOTTS HILL WATER SYSTEM | TN0000614 | Tennessee | Community | 4,579 |
| NORTH SEWICKLEY MUN WATER AUTH | PA5040010 | Pennsylvania | Community | 4,578 |
| SUNBELT FWSD WOODLAND OAKS SUBDIVISION | TX1010758 | Texas | Community | 4,578 |
| CRISFIELD MAYOR AND COUNCIL | MD0002295 | Maryland | Community | 4,578 |
| BAYOU DES CANNES WATER SYSTEM | LA1039016 | Louisiana | Community | 4,578 |
| BON DE CROFT UTILITY DISTRICT | TN0000653 | Tennessee | Community | 4,577 |
| STONE PARK | IL0313030 | Illinois | Community | 4,576 |
| ATHENS | IL1290050 | Illinois | Community | 4,575 |
| FORT BEND COUNTY MUD 152 | TX0790487 | Texas | Community | 4,575 |
| MOUNT VERNON PWS | MO5010553 | Missouri | Community | 4,575 |
| AUBURN | IL1670050 | Illinois | Community | 4,574 |
| HARLAN MUNICIPAL WATER WORKS | KY0480178 | Kentucky | Community | 4,574 |
| BERRYVILLE, TOWN OF | VA2043125 | Virginia | Community | 4,574 |
| CALEDONIA TOWNSHIP | MI0001039 | Michigan | Community | 4,573 |
| LANCASTER WATER WORKS | KY0400233 | Kentucky | Community | 4,573 |
| MARICAO | PR0005577 | PR | Community | 4,572 |
| HARRIS COUNTY MUD 130 | TX1012097 | Texas | Community | 4,572 |
| CITY OF WAYNESBORO | MS0770003 | Mississippi | Community | 4,570 |
| CAMPBELL, TOWN OF | WI6321109 | Wisconsin | Community | 4,570 |
| CASON WATER ASSOCIATION | MS0480019 | Mississippi | Community | 4,570 |
| CAMANCHE WATER SUPPLY | IA2322066 | Iowa | Community | 4,570 |
| MORNINGSIDE HEIGHTS WD / ERWIN (T) | NY5001212 | New York | Community | 4,570 |
| SAND FLAT WSC | TX2120020 | Texas | Community | 4,569 |
| COOK SPRINGS WATER AUTHORITY | AL0001434 | Alabama | Community | 4,569 |
| NEGAUNEE | MI0004650 | Michigan | Community | 4,568 |
| MARANA MUNICIPAL - AIRLINE LAMBERT | AZ0410138 | Arizona | Community | 4,568 |
| GLEN WHITE TRAP HILL PSD | WV3304112 | West Virginia | Community | 4,567 |
| GARDNER COMMUNITY WATER SYSTEM | LA1079010 | Louisiana | Community | 4,566 |
| JEA: WOODMERE WTP | FL2161278 | Florida | Community | 4,565 |
| RICHLANDS, TOWN OF | VA1185695 | Virginia | Community | 4,564 |
| HAINA | HI0000161 | Hawaii | Community | 4,563 |
| Mariano Lake-Pinedale-Church Rock NTUA | NN3500211 | Arizona | Community | 4,562 |
| EVANSDALE WATER WORKS | IA0723027 | Iowa | Community | 4,561 |
| CHANNEL ISLANDS BEACH CSD | CA5610039 | California | Community | 4,560 |
| TOWN OF MAMOU WATER SYSTEM | LA1039005 | Louisiana | Community | 4,559 |
| GRANT CO PSD-NORTHFORK-MAYSVILLE | WV3301206 | West Virginia | Community | 4,559 |
| SW BOONE COUNTY WATER ASSOC | AR0000628 | Arkansas | Community | 4,558 |
| CHELFORD ONE MUD | TX1010767 | Texas | Community | 4,557 |
| LOUISBURG, TOWN OF | NC0235015 | North Carolina | Community | 4,554 |
| Watertown | MN1100012 | Minnesota | Community | 4,550 |
| CITY OF HOWE | TX0910013 | Texas | Community | 4,548 |
| COLYELL COMMUNITY WATER | LA1063003 | Louisiana | Community | 4,544 |
| PRICES FORK/MERRIMAC | VA1121580 | Virginia | Community | 4,541 |
| PROVIDENCE WATER WORKS | KY1170361 | Kentucky | Community | 4,538 |
| EAST DUBLIN | GA1750004 | Georgia | Community | 4,536 |
| WEST WENDOVER WATER SYSTEM | NV0000246 | Nevada | Community | 4,535 |