Browse Water Systems
23,975 public water systems in WI.
Public Water Systems Database
Browse 23,975 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 |
|---|---|---|---|---|
| CEX' HA CI | 055295015 | Wisconsin | Community | 2,002 |
| WI DOT REST AREA 9 LEMONWEIR | WI7290147 | Wisconsin | Transient Non-Community | 2,000 |
| WI DOT REST AREA 10 KILDARE | WI7290146 | Wisconsin | Transient Non-Community | 2,000 |
| FONTANA WATERWORKS SYSTEM 2 SOUTH | WI2650743 | Wisconsin | Community | 2,000 |
| FAMILYLAND UPPER WELL | WI1570621 | Wisconsin | Transient Non-Community | 2,000 |
| FAMILYLAND LOWER WELL | WI1570620 | Wisconsin | Transient Non-Community | 2,000 |
| BROOKFIELD ZONE 2 DOMINIC HGTS | WI2680255 | Wisconsin | Community | 1,961 |
| CRANDON WATERWORKS | WI7210107 | Wisconsin | Community | 1,958 |
| EAGLE WATERWORKS | WI2680198 | Wisconsin | Community | 1,950 |
| HARMONY GROVE SAN DIST | WI1110101 | Wisconsin | Community | 1,950 |
| MCDONALDS MILW ST | WI1131439 | Wisconsin | Non-Transient Non-Community | 1,940 |
| FRED ASH | WI2680252 | Wisconsin | Community | 1,936 |
| CHETEK WATERWORKS | WI6030129 | Wisconsin | Community | 1,931 |
| SOMERS WATER UTILITY | WI2301421 | Wisconsin | Community | 1,930 |
| WALES PICK N SAVE | WI2685709 | Wisconsin | Non-Transient Non-Community | 1,900 |
| SEVENWINDS CASINO | 050595305 | Wisconsin | Non-Transient Non-Community | 1,900 |
| TREMPEALEAU WATERWORKS | WI6620332 | Wisconsin | Community | 1,888 |
| HAMMOND WATERWORKS | WI6560121 | Wisconsin | Community | 1,884 |
| SCOTT WATER UTILITY DIST | WI4050071 | Wisconsin | Community | 1,875 |
| ROBERTS WATERWORKS | WI6560134 | Wisconsin | Community | 1,872 |
| DURAND WATERWORKS | WI6470107 | Wisconsin | Community | 1,868 |
| PORT EDWARDS WATER UTILITY | WI7720113 | Wisconsin | Community | 1,866 |
| WEYAUWEGA WATERWORKS | WI4690403 | Wisconsin | Community | 1,856 |
| FOX LAKE CORRECTIONAL INSTITUTION | WI1140144 | Wisconsin | Community | 1,850 |
| SPENCER WATERWORKS | WI7370108 | Wisconsin | Community | 1,848 |
| ADAMS WATERWORKS | WI7010107 | Wisconsin | Community | 1,847 |
| FONTANA WATER UTILITY | WI2650128 | Wisconsin | Community | 1,839 |
| NEW ODANAH | 055295102 | Wisconsin | Community | 1,839 |
| COLBY WATERWORKS | WI7370169 | Wisconsin | Community | 1,829 |
| CAMPBELLSPORT WATERWORKS | WI4200461 | Wisconsin | Community | 1,825 |
| WHITEHALL WATERWORKS | WI6620275 | Wisconsin | Community | 1,820 |
| KWIK TRIP #1108 | WI2687028 | Wisconsin | Transient Non-Community | 1,810 |
| WIND POINT WATER DEPT | WI2520191 | Wisconsin | Community | 1,804 |
| MENARDS PLAZA | WI7370379 | Wisconsin | Non-Transient Non-Community | 1,800 |
| SOUTH LAWN SAN DISTRICT | WI2520197 | Wisconsin | Community | 1,800 |
| RANDOLPH WATER DEPT | WI1110125 | Wisconsin | Community | 1,800 |
| HOLE IN THE WALL CASINO | 050595911 | Wisconsin | Non-Transient Non-Community | 1,800 |
| MENOMONEE FALLS WW - GROUNDWATER | WI2685747 | Wisconsin | Community | 1,796 |
| FALL RIVER WATERWORKS | WI1110098 | Wisconsin | Community | 1,793 |
| CAMERON WATERWORKS | WI6030127 | Wisconsin | Community | 1,787 |
| PALMYRA WATERWORKS | WI1280112 | Wisconsin | Community | 1,756 |
| MAZOMANIE WATERWORKS | WI1130239 | Wisconsin | Community | 1,744 |
| WHITING WATERWORKS | WI7500136 | Wisconsin | Community | 1,743 |
| CITY OF PEWAUKEE WATER & SEWER UTILITY - | WI2684045 | Wisconsin | Community | 1,708 |
| OSSEO WATERWORKS | WI6620328 | Wisconsin | Community | 1,701 |
| EPIC SYSTEMS CORP | WI1133581 | Wisconsin | Non-Transient Non-Community | 1,700 |
| MARATHON CITY WATERWORKS | WI7370151 | Wisconsin | Community | 1,695 |
| GALESVILLE WATERWORKS | WI6620271 | Wisconsin | Community | 1,679 |
| KETTLE MORAINE HIGH SCHOOL & WALES ELEM SCHOOL | WI2680376 | Wisconsin | Non-Transient Non-Community | 1,670 |
| SHOREWOOD HILLS WATERWORKS | WI1130236 | Wisconsin | Community | 1,670 |