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 |
|---|---|---|---|---|
| DTMA MAIN SYSTEM | PA1090128 | Pennsylvania | Community | 8,655 |
| CITY OF BROWNFIELD | TX2230001 | Texas | Community | 8,652 |
| SOUTHWESTERN BARTHOLOMEW WATER CORP. | IN5203008 | Indiana | Community | 8,652 |
| WEST FRANKFORT | IL0550700 | Illinois | Community | 8,650 |
| MT CITY WATER COMPANY | PA3540013 | Pennsylvania | Community | 8,650 |
| CHANUTE, CITY OF | KS2013307 | Kansas | Community | 8,642 |
| WINFIELD WATER WORKS & SEWER BOARD | AL0000930 | Alabama | Community | 8,631 |
| GREEN POND WATER SYSTEM | AL0000093 | Alabama | Community | 8,631 |
| RURAL MEMBERSHIP WATER CORP. OF CLARK CO | IN5210009 | Indiana | Community | 8,630 |
| NAVAL BASE VENTURA COUNTY, PORT HUENEME | CA5610701 | California | Community | 8,625 |
| MONONA WATERWORKS | WI1130245 | Wisconsin | Community | 8,624 |
| ROCK FALLS | IL1950450 | Illinois | Community | 8,620 |
| US AIR FORCE BASE LITTLE ROCK | AR0000690 | Arkansas | Community | 8,618 |
| RUSSELLVILLE MUN WATER WORKS | KY0710378 | Kentucky | Community | 8,613 |
| EAST WASHINGTON RURAL WATER | IN5288002 | Indiana | Community | 8,613 |
| MONTGOMERY COUNTY MUD 6 | TX1700090 | Texas | Community | 8,610 |
| PORTAGE COUNTY WATER RESOURCES | OH6702812 | Ohio | Community | 8,606 |
| SUPT,KENTON WATER DEPARTMENT | OH3300614 | Ohio | Community | 8,605 |
| TALLULAH WATER SYSTEM | LA1065003 | Louisiana | Community | 8,601 |
| AQUA PA GREENVILLE | PA6430037 | Pennsylvania | Community | 8,600 |
| OBERLIN WATER DEPARTMENT | OH4700911 | Ohio | Community | 8,600 |
| TOWN OF NORTH EAST | MD0070016 | Maryland | Community | 8,600 |
| KING HEIGHTS-ANNE ARUNDEL DPW | MD0020018 | Maryland | Community | 8,600 |
| CROFTON-ANNE ARUNDEL DPW | MD0020007 | Maryland | Community | 8,600 |
| UNIVERSITY OF IDAHO | ID2290042 | Idaho | Community | 8,589 |
| PARK HILLS PWS | MO4010279 | Missouri | Community | 8,587 |
| ELWOOD WATER & SEWAGE | IN5248007 | Indiana | Community | 8,586 |
| FORSYTH | GA2070001 | Georgia | Community | 8,585 |
| MENOMINEE | MI0004250 | Michigan | Community | 8,583 |
| CLAYTON | GA2410000 | Georgia | Community | 8,580 |
| HOOD RIVER, CITY OF | OR4100385 | Oregon | Community | 8,577 |
| SANITARY DISTRICT #4 | OH2501003 | Ohio | Community | 8,575 |
| MILLSBORO WATER DEPARTMENT | DE0000622 | Delaware | Community | 8,568 |
| WARWICK TWP LITITZ SYS | PA7360116 | Pennsylvania | Community | 8,561 |
| HARRIS COUNTY WCID 1 | TX1010159 | Texas | Community | 8,559 |
| HOLLY, VILLAGE OF | MI0003200 | Michigan | Community | 8,557 |
| PERRYVILLE PWS | MO4010636 | Missouri | Community | 8,555 |
| MERCK AND CO INC | PA1461065 | Pennsylvania | Non-Transient Non-Community | 8,550 |
| LACLEDE COUNTY PWSD 1 | MO5024317 | Missouri | Community | 8,550 |
| PROSPECT MCDONALD UTILITY DIST | TN0000564 | Tennessee | Community | 8,547 |
| STEILACOOM TOWN OF | WA5384000 | Washington | Community | 8,545 |
| CAPE PERRY COUNTY PWSD 1 SOUTH | MO4024096 | Missouri | Community | 8,545 |
| CAMPBELL'S LEDGE | PA2409001 | Pennsylvania | Community | 8,543 |
| SOUTHWEST WATER AUTHORITY | ND4501434 | North Dakota | Community | 8,537 |
| WESTWEGO WATERWORKS | LA1051005 | Louisiana | Community | 8,534 |
| WILBRAHAM WATER DEPT (MWRA) | MA1339000 | Massachusetts | Community | 8,533 |
| MCWA - GENEVA | NY3404515 | New York | Community | 8,532 |
| LYNDON B JOHNSON SPACE CENTER | TX1010250 | Texas | Non-Transient Non-Community | 8,530 |
| LIBERTY UTILITIES AURORA VERONA | MO5010038 | Missouri | Community | 8,529 |
| CEDARVILLE WATERWORKS FBCC | AR0000138 | Arkansas | Community | 8,529 |