Browse Water Systems
433,698 public water systems.
Public Water Systems Database
Browse 433,698 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 |
|---|---|---|---|---|
| SJCU-NORTHEAST UTILITIES WS | FL2554475 | Florida | Community | 14,790 |
| KINGS MOUNTAIN, TOWN OF | NC0123020 | North Carolina | Community | 14,784 |
| ISLAND WATER ASSOCIATION | FL5360146 | Florida | Community | 14,784 |
| IL AMERICAN-STERLING | IL1955040 | Illinois | Community | 14,782 |
| LINDALE RURAL WSC | TX2120017 | Texas | Community | 14,781 |
| NEGROS | PR0005537 | PR | Community | 14,781 |
| MORRIS | IL0630600 | Illinois | Community | 14,775 |
| ASHTABULA COUNTY WATER SYSTEM | OH0400803 | Ohio | Community | 14,757 |
| LAWRENCEBURG WATER & SEWER DEPT | KY0030239 | Kentucky | Community | 14,748 |
| EPCOR - NORTH EAST AGUA FRIA | AZ0407531 | Arizona | Community | 14,723 |
| CNP UTILITY DISTRICT | TX1010429 | Texas | Community | 14,718 |
| KINGSTON WATER DEPARTMENT | MA4145000 | Massachusetts | Community | 14,712 |
| MONTGOMERY COUNTY WATER SYSTEM | NC0362010 | North Carolina | Community | 14,710 |
| CITY OF RED BLUFF | CA5210004 | California | Community | 14,710 |
| SOUTHERN MADISON WATER DISTRICT | KY0760407 | Kentucky | Community | 14,707 |
| SEEKONK WATER DISTRICT | MA4265000 | Massachusetts | Community | 14,704 |
| NYACK VILLAGE WATER SUPPLY | NY4303666 | New York | Community | 14,700 |
| WARWICK TWP WATER & SEWER AUTH | PA1090127 | Pennsylvania | Community | 14,699 |
| CTWC - UNIONVILLE SYSTEM | CT0520011 | Connecticut | Community | 14,693 |
| AQUARION-SIMSBURY REGIONAL | CT1280021 | Connecticut | Community | 14,691 |
| SAULT STE MARIE | MI0005950 | Michigan | Community | 14,689 |
| LEE COUNTY WSC | TX1440005 | Texas | Community | 14,670 |
| Brainerd | MN1180002 | Minnesota | Community | 14,670 |
| CITY OF HENDERSON | TX2010001 | Texas | Community | 14,666 |
| NORTH SHELBY WATER DISTRICT | KY1060324 | Kentucky | Community | 14,660 |
| MACEDONIA EYLAU MUD 1 | TX0190012 | Texas | Community | 14,652 |
| MOUNTAIN HOME, CITY OF | ID4200032 | Idaho | Community | 14,651 |
| PA AMERICAN WATER CO WARREN | PA6620020 | Pennsylvania | Community | 14,650 |
| WEST HWY 80 ARK ROAD WS | LA1073055 | Louisiana | Community | 14,649 |
| Robbinsdale | MN1270046 | Minnesota | Community | 14,646 |
| LAKE SECTION WATER COMPANY | NM3529207 | New Mexico | Community | 14,619 |
| YABUCOA URBANO | PR0005196 | PR | Community | 14,610 |
| CARTHAGE PWS | MO5010142 | Missouri | Community | 14,600 |
| SAVANNAH-GEORGETOWN/GATEWAY | GA0510081 | Georgia | Community | 14,589 |
| REIDSVILLE, CITY OF | NC0279020 | North Carolina | Community | 14,585 |
| GREAT BEND, CITY OF | KS2000911 | Kansas | Community | 14,580 |
| CITY OF PARLIER | CA1010025 | California | Community | 14,576 |
| BARTLETT-ELLENDALE WATER SYSTE | TN0000039 | Tennessee | Community | 14,575 |
| CADDO BASIN SUD | TX1160029 | Texas | Community | 14,574 |
| GATEWAY SERVICES DISTRICT | FL5364143 | Florida | Community | 14,553 |
| QUIMPER | WA5305783 | Washington | Community | 14,548 |
| Mescalero Inn Of The Mt. Gods | 063506008 | Community | 14,542 | |
| MEADOWS PUMP DISTRICT | DE0000271 | Delaware | Community | 14,538 |
| CITY OF MODESTO - SALIDA | CA5010005 | California | Community | 14,537 |
| WVAW - WESTON | WV3302104 | West Virginia | Community | 14,534 |
| TRAVERSE CITY | MI0006640 | Michigan | Community | 14,532 |
| LAS VEGAS (CITY OF) | NM3518025 | New Mexico | Community | 14,530 |
| EAST BRIDGEWATER WATER DEPT | MA4083000 | Massachusetts | Community | 14,526 |
| TUCKALEECHEE UTILITY DISTRICT | TN0000714 | Tennessee | Community | 14,522 |
| CITY OF NATCHEZ | MS0010002 | Mississippi | Community | 14,520 |