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 |
|---|---|---|---|---|
| COTTAGE GROVE WATERWORKS | WI1130218 | Wisconsin | Community | 9,345 |
| HARTLAND WATERWORKS | WI2680205 | Wisconsin | Community | 9,212 |
| SHAWANO WATERWORKS | WI4590456 | Wisconsin | Community | 9,200 |
| TOMAH WATERWORKS | WI6420254 | Wisconsin | Community | 9,192 |
| RICE LAKE WATERWORKS | WI6030138 | Wisconsin | Community | 9,012 |
| PLYMOUTH UTILITIES | WI4600446 | Wisconsin | Community | 8,964 |
| PEWAUKEE CITY WATER AND SEWER UTILITY | WI2680214 | Wisconsin | Community | 8,671 |
| MONONA WATERWORKS | WI1130245 | Wisconsin | Community | 8,624 |
| DELAVAN WATERWORKS | WI2650113 | Wisconsin | Community | 8,451 |
| RHINELANDER WATER & WASTEWATER | WI7440126 | Wisconsin | Community | 8,234 |
| MUKWONAGO WATERWORKS | WI2680209 | Wisconsin | Community | 8,190 |
| PEWAUKEE VILLAGE WATERWORKS | WI2680229 | Wisconsin | Community | 8,166 |
| SHEBOYGAN FALLS UTILITIES | WI4600455 | Wisconsin | Community | 8,165 |
| MUSKEGO WATER UTILITY | WI2681741 | Wisconsin | Community | 8,150 |
| WAUPUN UTILITIES | WI1140131 | Wisconsin | Community | 8,056 |
| ASHLAND WATER UTILITY | WI8020373 | Wisconsin | Community | 8,000 |
| JEFFERSON WATERWORKS | WI1280104 | Wisconsin | Community | 7,926 |
| JACKSON WATERWORKS | WI2670111 | Wisconsin | Community | 7,844 |
| ANTIGO WATERWORKS | WI7340086 | Wisconsin | Community | 7,780 |
| MT HOREB WATERWORKS | WI1130247 | Wisconsin | Community | 7,756 |
| RIPON WATER UTILITY | WI4200476 | Wisconsin | Community | 7,716 |
| KIMBERLY WATERWORKS | WI4450342 | Wisconsin | Community | 7,608 |
| LEDGEVIEW TN SANITARY DIST 2 | WI4051418 | Wisconsin | Community | 7,602 |
| NEW LONDON WATERWORKS | WI4690398 | Wisconsin | Community | 7,187 |
| BROOKFIELD ZONE 3 MISSION HGTS | WI2680178 | Wisconsin | Community | 7,136 |
| LAKE GENEVA UTILITY COMMISSION | WI2650066 | Wisconsin | Community | 7,107 |
| KRONENWETTER WATER & SEWER UTILITY | WI7371700 | Wisconsin | Community | 6,931 |
| FOX POINT WATERWORKS | WI2410584 | Wisconsin | Community | 6,808 |
| LAKE HALLIE WATERWORKS VILLAGE OF | WI6090849 | Wisconsin | Community | 6,701 |
| TOWN OF BROOKFIELD SAN DIST 4 | WI2680239 | Wisconsin | Community | 6,419 |
| RIB MOUNTAIN WATER UTILITY | WI7370660 | Wisconsin | Community | 6,398 |
| LAKE MILLS WATERWORKS | WI1280108 | Wisconsin | Community | 6,211 |
| WAUPACA WATERWORKS | WI4690402 | Wisconsin | Community | 6,062 |
| PRAIRIE DU CHIEN WATERWORKS | WI6120250 | Wisconsin | Community | 6,005 |
| FACTORY OUTLET CENTER | WI2300689 | Wisconsin | Non-Transient Non-Community | 5,800 |
| EVANSVILLE WATERWORKS | WI1540047 | Wisconsin | Community | 5,703 |
| SLINGER WATER UTILITY | WI2670116 | Wisconsin | Community | 5,659 |
| MILTON WATERWORKS | WI1540130 | Wisconsin | Community | 5,588 |
| BERLIN WATERWORKS | WI4240216 | Wisconsin | Community | 5,524 |
| EDGERTON WATERWORKS | WI1540119 | Wisconsin | Community | 5,512 |
| HARRISON UTILITIES - FKA WAVERLY SD | WI4080076 | Wisconsin | Community | 5,500 |
| HO CHUNK CASINO | WI1570639 | Wisconsin | Non-Transient Non-Community | 5,486 |
| LAWRENCE WATERWORKS | WI4051625 | Wisconsin | Community | 5,398 |
| WATERFORD WATERWORKS | WI2520202 | Wisconsin | Community | 5,368 |
| COLUMBUS UTILITIES | WI1110038 | Wisconsin | Community | 5,173 |
| MAYVILLE WATERWORKS | WI1140057 | Wisconsin | Community | 5,112 |
| RICHLAND CENTER WATERWORKS | WI1530068 | Wisconsin | Community | 5,100 |
| EAST TROY WATERWORKS | WI2650123 | Wisconsin | Community | 5,054 |
| WEST SALEM WATERWORKS | WI6320334 | Wisconsin | Community | 5,045 |
| NORTH FOND DU LAC WATERWORKS | WI4200405 | Wisconsin | Community | 5,014 |