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 |
|---|---|---|---|---|
| WILMINGTON CITY PWS | OH1401211 | Ohio | Community | 12,401 |
| CITY OF SWEETWATER | TX1770002 | Texas | Community | 12,401 |
| PCUD-SOUTHEAST #1 | FL6512685 | Florida | Community | 12,399 |
| FORT ATKINSON WATERWORKS | WI1280103 | Community | 12,390 | |
| MAYFIELD ELECTRIC & WATER | KY0420274 | Kentucky | Community | 12,379 |
| PEMBERTON TWP DEPT MAIN | NJ0329004 | New Jersey | Community | 12,378 |
| ABERDEEN COMMISSIONERS | MD0002179 | Maryland | Community | 12,375 |
| CITY OF SUGAR LAND - GREATWOOD | TX0790296 | Texas | Community | 12,368 |
| RAINBOW CITY, WWB OF THE TOWN OF | AL0000588 | Alabama | Community | 12,363 |
| MASCOTTE WATER DEPARTMENT | FL3350812 | Florida | Community | 12,355 |
| Sycuan | 090605024 | California | Community | 12,350 |
| WARRENVILLE | IL0430833 | Illinois | Community | 12,350 |
| UNION PWS | MO6010801 | Missouri | Community | 12,348 |
| GLACIER RANGER STATION | WA53FJ296 | Washington | Transient Non-Community | 12,346 |
| HARRIS COUNTY MUD 1 | TX1010539 | Texas | Community | 12,342 |
| ECWA EVANS | NY1400445 | New York | Community | 12,338 |
| SOUTHSIDE WATER WORKS AND SEWER BOARD | AL0000591 | Alabama | Community | 12,327 |
| GADSDEN CO REGIONAL W/S | FL1200797 | Florida | Community | 12,322 |
| PERQUIMANS COUNTY WATER SYSTEM | NC0472025 | North Carolina | Community | 12,320 |
| LOGANVILLE | GA1350006 | Georgia | Community | 12,319 |
| DALLASTOWN YOE WATER AUTH | PA7670085 | Pennsylvania | Community | 12,300 |
| BOWLING GREEN WATER DISTRICT | NY2902860 | New York | Community | 12,300 |
| EFFINGHAM COUNTY SURFACE WATER SYSTEM | GA1030131 | Georgia | Community | 12,293 |
| SANDPOINT PUBLIC WORKS DEPT | ID1090121 | Idaho | Community | 12,284 |
| GRAFTON WATERWORKS | WI2460111 | Wisconsin | Community | 12,269 |
| PLATTEVILLE WATERWORKS | WI1220115 | Wisconsin | Community | 12,268 |
| SOUTH CENTRAL WATER ASSN | MS0250022 | Mississippi | Community | 12,260 |
| GREAT BASIN WATER COMPANY | NV0000270 | Nevada | Community | 12,255 |
| AUBURN WATER DISTRICT | MA2017000 | Massachusetts | Community | 12,255 |
| EFFINGHAM | IL0490250 | Illinois | Community | 12,252 |
| DEFUNIAK SPRINGS W/S, CITY OF | FL1660196 | Florida | Community | 12,243 |
| ROUPES VALLEY WATER AUTHORITY | AL0000760 | Alabama | Community | 12,240 |
| EXETER WATER DEPT | NH0801010 | New Hampshire | Community | 12,236 |
| ERWIN UTILITIES AUTHORITY | TN0000231 | Tennessee | Community | 12,236 |
| JBMDL - MCGUIRE AFB | NJ0326006 | New Jersey | Community | 12,227 |
| HARALSON COUNTY WATER AUTHORITY | GA1430007 | Georgia | Community | 12,220 |
| BEATRICE, CITY OF | NE3106705 | Nebraska | Community | 12,220 |
| CITY OF NEWMAN-WATER DEPARTMENT | CA5010013 | California | Community | 12,207 |
| C.W.W.I.A.-(HILL TOP) | NY1302795 | New York | Community | 12,200 |
| SOMERSWORTH WATER WORKS | NH2151010 | New Hampshire | Community | 12,200 |
| BRATTLEBORO WATER DEPT | VT0005290 | Vermont | Community | 12,200 |
| MILITARY HWY WSC PROGRESO | TX1080234 | Texas | Community | 12,198 |
| Saint Peter | MN1520006 | Minnesota | Community | 12,198 |
| GREENUP WATER SYSTEM | KY0450169 | Kentucky | Community | 12,193 |
| ARIZONA WATER CO - LAKESIDE | AZ0409003 | Arizona | Community | 12,191 |
| CALEDONIA EAST WATER UTILITY DISTRICT | WI2520185 | Wisconsin | Community | 12,191 |
| WRENTHAM WATER DIVISION | MA4350000 | Massachusetts | Community | 12,190 |
| YANCEY WSC | TX1630021 | Texas | Community | 12,186 |
| CENTRALIA | IL1214220 | Illinois | Community | 12,182 |
| WVAWC BLUEFIELD DISTRICT | WV3302835 | Community | 12,174 |