Wisconsin Drinking Water Violations
10,988Water Systems
37,176Total Violations
3,773Health-Based
| County | Water Systems | Total Violations | Health-Based |
|---|---|---|---|
| Waukesha | 590 | 2,944 | 1,235 |
| Adams | 200 | 294 | 96 |
| Rock | 156 | 304 | 94 |
| Walworth | 252 | 1,091 | 91 |
| Racine | 195 | 1,470 | 88 |
| Door | 454 | 3,786 | 83 |
| Dodge | 180 | 342 | 82 |
| Marathon | 195 | 544 | 76 |
| Columbia | 141 | 408 | 74 |
| Jefferson | 194 | 399 | 73 |
| Monroe | 97 | 254 | 70 |
| Fond Du Lac | 211 | 626 | 66 |
| Washington | 268 | 833 | 63 |
| Ashland | 82 | 253 | 63 |
| Dane | 301 | 760 | 61 |
| Sauk | 199 | 347 | 52 |
| Winnebago | 152 | 196 | 50 |
| Kenosha | 227 | 1,616 | 49 |
| Grant | 89 | 669 | 49 |
| Lincoln | 97 | 313 | 49 |
| Ozaukee | 252 | 773 | 46 |
| Langlade | 111 | 407 | 46 |
| Portage | 150 | 342 | 44 |
| La Crosse | 125 | 388 | 42 |
| Marinette | 191 | 1,515 | 41 |
| Barron | 190 | 492 | 40 |
| Brown | 149 | 284 | 40 |
| St. Croix | 164 | 486 | 39 |
| Sheboygan | 215 | 296 | 39 |
| Trempealeau | 75 | 496 | 38 |
| Iowa | 77 | 527 | 35 |
| Vernon | 66 | 409 | 35 |
| Clark | 95 | 305 | 34 |
| Rusk | 86 | 443 | 32 |
| Waupaca | 208 | 951 | 31 |
| Douglas | 189 | 365 | 31 |
| Chippewa | 219 | 395 | 29 |
| Lafayette | 40 | 235 | 27 |
| Manitowoc | 143 | 401 | 26 |
| Taylor | 60 | 256 | 25 |
| Iron | 57 | 120 | 24 |
| Eau Claire | 111 | 614 | 23 |
| Vilas | 466 | 333 | 23 |
| Forest | 57 | 205 | 23 |
| Dunn | 85 | 386 | 22 |
| Pierce | 95 | 171 | 21 |
| Oconto | 203 | 758 | 20 |
| Richland | 38 | 263 | 20 |
| Calumet | 49 | 233 | 20 |
| Sawyer | 192 | 336 | 18 |
| Crawford | 48 | 218 | 18 |
| Waushara | 196 | 600 | 17 |
| Juneau | 144 | 480 | 17 |
| Polk | 186 | 194 | 17 |
| Oneida | 346 | 356 | 16 |
| Jackson | 102 | 292 | 16 |
| Florence | 44 | 138 | 16 |
| Pepin | 22 | 76 | 16 |
| Bayfield | 190 | 855 | 15 |
| Shawano | 115 | 474 | 15 |
| Washburn | 130 | 183 | 15 |
| Outagamie | 107 | 442 | 13 |
| Buffalo | 70 | 169 | 13 |
| Price | 75 | 194 | 11 |
| Wood | 148 | 170 | 11 |
| Green | 52 | 141 | 10 |
| Marquette | 155 | 416 | 9 |
| Kewaunee | 72 | 369 | 9 |
| Milwaukee | 85 | 343 | 9 |
| Green Lake | 71 | 302 | 9 |
| Burnett | 192 | 130 | 3 |