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 |
|---|---|---|---|---|
| WAYNE COUNTY FAIRGROUNDS | NY5830035 | New York | Transient Non-Community | 14,299 |
| FRASER, CITY OF | MI0002460 | Michigan | Community | 14,297 |
| SEQUIM CITY OF | WA5377620 | Washington | Community | 14,293 |
| CITY OF DUMAS | TX1710001 | Texas | Community | 14,290 |
| MAUMEE CITY | OH4800603 | Ohio | Community | 14,286 |
| PORTALES WATER SYSTEM | NM3528522 | New Mexico | Community | 14,284 |
| BARKLEY LAKE WATER DISTRICT | KY1110019 | Kentucky | Community | 14,284 |
| SCOTTSBLUFF, CITY OF | NE3115716 | Nebraska | Community | 14,282 |
| Pala North | 090605153 | California | Community | 14,280 |
| DONALD DURFEE-STATE PARKS DIV. | IN2760185 | Indiana | Transient Non-Community | 14,272 |
| WHITEFISH BAY WATERWORKS | WI2410597 | Wisconsin | Community | 14,272 |
| HARRIS COUNTY MUD 285 | TX1012677 | Texas | Community | 14,268 |
| HURON | SD4600169 | South Dakota | Community | 14,263 |
| BUTLER COUNTY WATER SYSTEM INC | KY0160052 | Kentucky | Community | 14,256 |
| BEXLEY CITY PWS | OH2500103 | Ohio | Community | 14,250 |
| HARPER WOODS | MI0003020 | Michigan | Community | 14,236 |
| JACKSONVILLE WATER WORKS GAS AND SEWER | AL0000154 | Alabama | Community | 14,217 |
| CITY OF ABBEVILLE WATER SYSTEM | LA1113001 | Louisiana | Community | 14,217 |
| NILES | MI0004740 | Michigan | Community | 14,215 |
| BERTHOUD TOWN OF | CO0135138 | Colorado | Community | 14,211 |
| KUTZTOWN BOROUGH WATER | PA3060041 | Pennsylvania | Community | 14,200 |
| ARVIN WATER COMPANY | CA3410038 | California | Community | 14,200 |
| CALIFORNIA CITY, CITY OF | CA1510032 | California | Community | 14,198 |
| SOMERTON CITY OF | AZ0414015 | Arizona | Community | 14,197 |
| DEEP RUN WATER CORPORATION | NC0454030 | North Carolina | Community | 14,196 |
| Fergus Falls | MN1560014 | Minnesota | Community | 14,194 |
| CASTALIAN SPRINGS-BETHPAGE U.D. | TN0000097 | Tennessee | Community | 14,184 |
| MEDWAY WATER DEPARTMENT | MA2177000 | Massachusetts | Community | 14,176 |
| ANTIOCH | IL0970050 | Illinois | Community | 14,175 |
| CITY OF HOUSTON WILLOW CHASE | TX1011902 | Texas | Community | 14,169 |
| MCFARLAND, CITY OF | CA1510013 | California | Community | 14,161 |
| HARBOUR WATER | IN5229010 | Indiana | Community | 14,148 |
| PARIS WATER WORKS | KY0090343 | Kentucky | Community | 14,139 |
| CITY OF WILLIS | TX1700003 | Texas | Community | 14,133 |
| CHICAGO RIDGE | IL0310480 | Illinois | Community | 14,130 |
| WALNUT HILL WATER AUTHORITY | AL0001289 | Alabama | Community | 14,127 |
| GIRARD CITY | OH7801103 | Ohio | Community | 14,122 |
| CITY OF ANDREWS | TX0020001 | Texas | Community | 14,109 |
| CICERO WDS | NY3304342 | New York | Community | 14,108 |
| EPCOR - PARADISE VALLEY/SCOTTSDALE | AZ0407056 | Arizona | Community | 14,107 |
| BOB SMITH | AK2210061 | Alaska | Community | 14,100 |
| WASHINGTON COURT HOUSE PWS | OH2400714 | Ohio | Community | 14,100 |
| WAYLAND WATER DEPARTMENT | MA3315000 | Massachusetts | Community | 14,096 |
| PIERRE | SD4600242 | South Dakota | Community | 14,091 |
| CUMBERLAND UTILITY DISTRICT | TN0000531 | Tennessee | Community | 14,085 |
| LANCASTER CITY OF (SC2910001) | SC2910001 | South Carolina | Community | 14,074 |
| NEVADA ID - LOMA RICA | CA2910006 | California | Community | 14,072 |
| WASHINGTON PWS | MO6010838 | Missouri | Community | 14,068 |
| HUNTERTOWN WATER WORKS | IN5202007 | Indiana | Community | 14,058 |
| BUTLER COUNTY WATER AUTHORITY | AL0001507 | Alabama | Community | 14,052 |