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 |
|---|---|---|---|---|
| Willmar | MN1340016 | Minnesota | Community | 21,045 |
| HAYS, CITY OF | KS2005111 | Kansas | Community | 21,040 |
| VERO BEACH, CITY OF | FL4310206 | Florida | Community | 21,024 |
| OHIO-AMER.WATER CO,TIFFIN DIST | OH7400611 | Ohio | Community | 21,000 |
| SALEM WATER DEPT | NH2051010 | New Hampshire | Community | 21,000 |
| UNION TOWN WATER SYSTEM NO. 1 | NY0320536 | New York | Community | 21,000 |
| MONTICELLO WATER & SEWER COMMISSION | KY1160291 | Kentucky | Community | 21,000 |
| CANAL GRID | FL2161126 | Florida | Community | 21,000 |
| MARTIN CO UTIL VISTA SALERNO | FL4431490 | Florida | Community | 21,000 |
| MARTIN CO UTIL MARTIN DOWNS | FL4434383 | Florida | Community | 21,000 |
| CHARTER TOWNSHIP OF GRAND BLANC | MI0002745 | Michigan | Community | 21,000 |
| BURTON, CITY OF | MI0001010 | Michigan | Community | 21,000 |
| GALLIA CO RURAL WATER ASSOCIATION | OH2700012 | Ohio | Community | 20,995 |
| EAST HEMPFIELD WATER AUTH | PA7360063 | Pennsylvania | Community | 20,988 |
| LOUISVILLE CITY OF | CO0107487 | Colorado | Community | 20,975 |
| New Hope | MN1270040 | Minnesota | Community | 20,963 |
| Salt River Public Works | 090400109 | Arizona | Community | 20,951 |
| MILWAUKIE, CITY OF | OR4100528 | Oregon | Community | 20,946 |
| ASHLAND WATER DEPARTMENT | OR4100047 | Oregon | Community | 20,946 |
| TAMARAC UTILITIES INCORPORATED | FL4061430 | Florida | Community | 20,928 |
| MOROVIS URBANO | PR0002762 | PR | Community | 20,927 |
| JBSA LACKLAND | TX0150114 | Texas | Community | 20,907 |
| ELLENSBURG WATER DEPT | WA5322950 | Washington | Community | 20,900 |
| GALLUP WATER SYSTEM | NM3508317 | New Mexico | Community | 20,880 |
| ARCATA, CITY OF | CA1210001 | California | Community | 20,875 |
| PAW PHILIPSBURG | PA4140087 | Pennsylvania | Community | 20,865 |
| CALCASIEU PARISH WW DISTRICT NO 1 | LA1019051 | Louisiana | Community | 20,837 |
| LINCOLN CITY, CITY OF | OR4100483 | Oregon | Community | 20,830 |
| SS WSC | TX2470015 | Texas | Community | 20,826 |
| HOOPER WATER IMPROVEMENT DISTRICT | UTAH29006 | Utah | Community | 20,820 |
| ROLLA PWS | MO3010700 | Missouri | Community | 20,800 |
| SIRWA #2 (CRESTON) | IA8080701 | Iowa | Community | 20,793 |
| Northfield | MN1660010 | Minnesota | Community | 20,790 |
| CRYSTAL CLEAR SUD | TX0940015 | Texas | Community | 20,766 |
| WEB WATER DEVELOPMENT ASSOCIATION | SD4601089 | South Dakota | Community | 20,750 |
| PITTSBURG, CITY OF | KS2003705 | Kansas | Community | 20,738 |
| SARDIS LONE ELM WSC | TX0700034 | Texas | Community | 20,736 |
| INDIANA AMERICAN WATER - SEYMOUR | IN5236005 | Indiana | Community | 20,725 |
| CAL/AM WATER COMPANY - BALDWIN HILLS | CA1910052 | California | Community | 20,724 |
| WINTER HAVEN/GARDEN GROVE SYS | FL6532533 | Florida | Community | 20,717 |
| NORTHWEST UTILITY DISTRICT | TN0000169 | Tennessee | Community | 20,710 |
| MOORESTOWN WATER DEPT | NJ0322001 | New Jersey | Community | 20,700 |
| AMSTERDAM (C) | NY2800136 | New York | Community | 20,700 |
| LEBANON CITY | OH8304112 | Ohio | Community | 20,700 |
| South Saint Paul | MN1190020 | Minnesota | Community | 20,664 |
| SELMER WATER SYSTEM | TN0000615 | Tennessee | Community | 20,648 |
| ASHLAND CITY | OH0300112 | Ohio | Community | 20,648 |
| MARQUETTE | MI0004120 | Michigan | Community | 20,629 |
| CITY OF TAYLOR | TX2460004 | Texas | Community | 20,622 |
| SIDNEY CITY PWS | OH7501214 | Ohio | Community | 20,614 |