Wyoming Drinking Water Violations
737Water Systems
16,975Total Violations
1,416Health-Based
Wyoming has 737 active public water systems regulated under the EPA's Safe Drinking Water Act. Across these systems, there have been 1,416 health-based violations out of 16,975 total violations recorded. Currently, 43 water systems have unresolved health-based violations.
The most frequently cited health-based contaminants in Wyoming are Unknown, Unknown, and Unknown. Health-based violations mean a water system exceeded an EPA maximum contaminant level (MCL) or failed required treatment standards.
Browse the counties below to find specific water systems, or search by address or ZIP code to find your water provider.
Counties
| County | Water Systems | Total Violations | Health-Based |
|---|---|---|---|
| Carbon County | 25 | 783 | 194 |
| Sweetwater County | 44 | 938 | 190 |
| Lincoln County | 39 | 2,188 | 165 |
| Teton County | 108 | 3,284 | 134 |
| Fremont County | 58 | 1,091 | 97 |
| Niobrara County | 5 | 401 | 74 |
| Laramie County | 49 | 1,214 | 73 |
| Goshen County | 17 | 211 | 73 |
| Park County | 47 | 249 | 67 |
| Natrona County | 46 | 555 | 50 |
| Johnson County | 11 | 137 | 49 |
| Big Horn County | 28 | 362 | 41 |
| Crook County | 26 | 235 | 41 |
| Campbell County | 64 | 1,142 | 37 |
| Sublette County | 24 | 2,358 | 32 |
| Converse County | 19 | 484 | 24 |
| Uinta County | 12 | 58 | 23 |
| Platte County | 28 | 292 | 22 |
| Albany County | 23 | 246 | 22 |
| Weston County | 12 | 597 | 18 |
| Butte County | 2 | 40 | 16 |
| Sheridan County | 19 | 241 | 15 |
| Washakie County | 10 | 67 | 9 |
| Hot Springs County | 7 | 95 | 3 |
| Lawrence County | 1 | 1 | 0 |