County · Wisconsin
Dodge County, Wisconsin: drinking water records
This overview covers 20 ZIP codes and 23 community water systems in Dodge County. It also stands in for 5 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Waupun Correctional Inst WI1140142 | 3,706 | 120 | 0 | 6 | 0.9 ppb |
| Horicon Waterworks WI1140146 | 3,682 | 180 | 0 | 1 | 3.2 ppb |
| Beaver Dam Water Utility WI1140059 | 16,200 | 60 | 0 | 0 | 11.3 ppb |
| Waupun Utilities WI1140131 | 8,056 | 60 | 0 | 0 | 1.2 ppb |
| Mayville Waterworks WI1140057 | 5,112 | 240 | 0 | 0 | 3.3 ppb |
| Juneau Waterworks WI1140058 | 2,627 | 0 | 0 | 7 | 2.7 ppb |
| Fox Lake Correctional Institution WI1140144 | 1,850 | 0 | 0 | 1 | 0 ppb |
| Theresa Waterworks WI1140154 | 1,262 | 0 | 0 | 1 | 0.7 ppb |
| Reeseville Waterworks WI1140153 | 718 | 0 | 0 | 2 | 4.9 ppb |
| Brownsville Waterworks WI1140139 | 630 | 0 | 0 | 1 | 0.5 ppb |
| Clyman Waterworks WI1140140 | 422 | 0 | 0 | 2 | 3.3 ppb |
| Lowell Waterworks WI1140152 | 337 | 0 | 0 | 1 | 0.3 ppb |
| Leroy Sanitary District 1 WI1140155 | 320 | 0 | 0 | 5 | 2.6 ppb |
| Hidden Meadows WI1140016 | 166 | 0 | 0 | 4 | 0 ppb |
| Marshview Terrace WI1140156 | 40 | 0 | 0 | 7 | 0.4 ppb |
| Lomira Waterworks WI1140151 | 2,701 | 0 | 0 | 0 | 8.2 ppb |
| Fox Lake Waterworks WI1140145 | 1,610 | 0 | 0 | 0 | 0.8 ppb |
| Hustisford Waterworks WI1140148 | 1,063 | 0 | 0 | 0 | 0.4 ppb |
| Iron Ridge Waterworks WI1140150 | 937 | 0 | 0 | 0 | 2.8 ppb |
| Sunnyside Estates WI1140854 | 135 | 0 | 0 | 0 | 1.3 ppb |
| Maple Grove MHP WI1140135 | 125 | 0 | 0 | 0 | 0.1 ppb |
| Breezy Point MHP 2 WI1140162 | 51 | 0 | 0 | 0 | 0.2 ppb |
| Breezy Point MHP 1 WI1140147 | 30 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Dodge County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 53003, 53047, 53059, 53099, 53922.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.