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 |
|---|---|---|---|---|
| ALLIS CHALMERS CORPORATION | WI2410893 | Wisconsin | Transient Non-Community | 5,000 |
| STURTEVANT WATERWORKS | WI2520195 | Wisconsin | Community | 4,970 |
| SHAWANO LK SAN DIST 1 | WI4590457 | Wisconsin | Community | 4,950 |
| UNION GROVE WATERWORKS | WI2520200 | Wisconsin | Community | 4,900 |
| SUAMICO WATERWORKS | WI4051031 | Wisconsin | Community | 4,697 |
| CLINTONVILLE UTILITIES | WI4690391 | Wisconsin | Community | 4,635 |
| OCONTO WATERWORKS | WI4430495 | Wisconsin | Community | 4,610 |
| WINDSOR WATER UTILITY SOUTH | WI1130267 | Wisconsin | Community | 4,607 |
| SHEBOYGAN TN WATERWORKS | WI4600403 | Wisconsin | Community | 4,596 |
| DODGEVILLE WATERWORKS | WI1250079 | Wisconsin | Community | 4,583 |
| CAMPBELL, TOWN OF | WI6321109 | Wisconsin | Community | 4,570 |
| MAUSTON WATERWORKS | WI7290129 | Wisconsin | Community | 4,456 |
| BALDWIN WATERWORKS | WI6560119 | Wisconsin | Community | 4,440 |
| VIROQUA WATERWORKS | WI6630263 | Wisconsin | Community | 4,362 |
| ONEIDA #1 OR SITE #1 | 055295703 | Wisconsin | Community | 4,322 |
| MEDFORD WATERWORKS | WI8610125 | Wisconsin | Community | 4,318 |
| KEWASKUM WATERWORKS | WI2670112 | Wisconsin | Community | 4,309 |
| SAUKVILLE WATERWORKS | WI2460134 | Wisconsin | Community | 4,268 |
| PRESCOTT WATERWORKS | WI6480243 | Wisconsin | Community | 4,258 |
| CHILTON WATERWORKS | WI4080222 | Wisconsin | Community | 4,191 |
| CROSS PLAINS WATERWORKS | WI1130219 | Wisconsin | Community | 4,100 |
| BLOOMFIELD, VILLAGE OF | WI2651469 | Wisconsin | Community | 4,071 |
| PULASKI WATERWORKS | WI4050355 | Wisconsin | Community | 4,040 |
| PRAIRIE DU SAC WATERWORKS | WI1570100 | Wisconsin | Community | 4,006 |
| KESHENA | 055295508 | Wisconsin | Community | 3,960 |
| ALGOMA TN SANITARY DIST 1 | WI4711611 | Wisconsin | Community | 3,935 |
| KIEL WATERWORKS | WI4360427 | Wisconsin | Community | 3,932 |
| CABELAS - RICHFIELD | WI2671753 | Wisconsin | Non-Transient Non-Community | 3,931 |
| YORKVILLE UTILITY DIST 1 | WI2521735 | Wisconsin | Non-Transient Non-Community | 3,900 |
| LANCASTER WATERWORKS | WI1220107 | Wisconsin | Community | 3,868 |
| MARSHALL WATERWORKS | WI1130237 | Wisconsin | Community | 3,862 |
| WRIGHTSTOWN WATERWORKS | WI4050464 | Wisconsin | Community | 3,815 |
| OSCAR MAYER/KRAFT FOODS | WI1132852 | Wisconsin | Non-Transient Non-Community | 3,750 |
| ARCADIA WATERWORKS | WI6620319 | Wisconsin | Community | 3,737 |
| WAUPUN CORRECTIONAL INST | WI1140142 | Wisconsin | Community | 3,706 |
| HORICON WATERWORKS | WI1140146 | Wisconsin | Community | 3,682 |
| BLOOMER WATERWORKS | WI6090448 | Wisconsin | Community | 3,680 |
| HOBART WATERWORKS S A 1 | WI4051698 | Wisconsin | Community | 3,670 |
| OMRO WATERWORKS | WI4710357 | Wisconsin | Community | 3,629 |
| NORTH HUDSON WATERWORKS | WI6560133 | Wisconsin | Community | 3,626 |
| COMBINED LOCKS WATERWORKS | WI4450409 | Wisconsin | Community | 3,609 |
| BLACK RIVER FALLS WATERWORKS | WI6270244 | Wisconsin | Community | 3,608 |
| SEYMOUR WATERWORKS | WI4450337 | Wisconsin | Community | 3,601 |
| TOMMY BARTLETT 5 NEW RESTROOMS | WI1570735 | Wisconsin | Transient Non-Community | 3,530 |
| WATERLOO WATERWORKS | WI1280115 | Wisconsin | Community | 3,520 |
| SAUK CITY WATERWORKS | WI1570105 | Wisconsin | Community | 3,518 |
| STANLEY WATERWORKS | WI6090462 | Wisconsin | Community | 3,500 |
| CRESTVIEW UTILITY DISTRICT | WI2520186 | Wisconsin | Community | 3,500 |
| KESHENA | 055295502 | Wisconsin | Community | 3,500 |
| BARRON LIGHT & WATER DEPT | WI6030125 | Wisconsin | Community | 3,423 |