Browse Water Systems
22,144 public water systems in WI.
Public Water Systems Database
Browse 22,144 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 |
|---|---|---|---|---|
| CEDARBURG L & W COMMISSION | WI2460108 | Wisconsin | Community | 12,500 |
| GRAFTON WATERWORKS | WI2460111 | Wisconsin | Community | 12,269 |
| PLATTEVILLE WATERWORKS | WI1220115 | Wisconsin | Community | 12,268 |
| CALEDONIA EAST WATER UTILITY DISTRICT | WI2520185 | Wisconsin | Community | 12,191 |
| GREENVILLE UTILITIES VIL OF | WI4450278 | Wisconsin | Community | 11,340 |
| TWO RIVERS WATERWORKS | WI4360436 | Wisconsin | Community | 11,270 |
| OREGON WATERWORKS | WI1130251 | Wisconsin | Community | 11,200 |
| MEQUON WATER UTILITY | WI2460112 | Wisconsin | Community | 11,152 |
| BURLINGTON WATERWORKS | WI2520177 | Wisconsin | Community | 11,043 |
| MARINETTE WATERWORKS | WI4380395 | Wisconsin | Community | 10,968 |
| FOX CROSSING UTILITIES EAST | WI4710453 | Wisconsin | Community | 10,927 |
| NEW RICHMOND WATERWORKS | WI6560126 | Wisconsin | Community | 10,824 |
| MONROE WATERWORKS | WI1230078 | Wisconsin | Community | 10,780 |
| PLEASANT PRAIRIE WATER UTILITY | WI2300167 | Wisconsin | Community | 10,754 |
| PORTAGE WATERWORKS | WI1110039 | Wisconsin | Community | 10,437 |
| ELKHORN WATERWORKS | WI2650062 | Wisconsin | Community | 10,317 |
| MILWAUKEE COUNTY GROUNDS | WI2410778 | Wisconsin | Community | 9,936 |
| STURGEON BAY WATERWORKS | WI4150526 | Wisconsin | Community | 9,700 |
| MCFARLAND WATERWORKS | WI1130241 | Wisconsin | Community | 9,676 |
| MERRILL WATERWORKS | WI7350123 | Wisconsin | Community | 9,661 |
| ALTOONA WATERWORKS | WI6180280 | Wisconsin | Community | 9,627 |
| SHAWANO WATERWORKS | WI4590456 | Wisconsin | Community | 9,610 |
| COTTAGE GROVE WATERWORKS | WI1130218 | Wisconsin | Community | 9,345 |
| HARTLAND WATERWORKS | WI2680205 | Wisconsin | Community | 9,212 |
| DELAVAN WATERWORKS | WI2650113 | Wisconsin | Community | 9,028 |
| RICE LAKE WATERWORKS | WI6030138 | Wisconsin | Community | 9,012 |
| PLYMOUTH UTILITIES | WI4600446 | Wisconsin | Community | 8,964 |
| SHEBOYGAN FALLS UTILITIES | WI4600455 | Wisconsin | Community | 8,687 |
| PEWAUKEE CITY WATER AND SEWER UTILITY | WI2680214 | Wisconsin | Community | 8,671 |
| MONONA WATERWORKS | WI1130245 | Wisconsin | Community | 8,624 |
| RHINELANDER WATER & WASTEWATER | WI7440126 | Wisconsin | Community | 8,234 |
| PEWAUKEE VILLAGE WATERWORKS | WI2680229 | Wisconsin | Community | 8,166 |
| 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 |
| 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 |
| 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 |
| FACTORY OUTLET CENTER | WI2300689 | Wisconsin | Non-Transient Non-Community | 5,800 |
| SLINGER WATER UTILITY | WI2670116 | Wisconsin | Community | 5,659 |