Dewey County Water Violations
Dewey County in South Dakota has 4 active public water systems. Together, these systems have 5 health-based violations on record out of 134 total. Health-based violations indicate a contaminant exceeded EPA limits or required treatment was not performed.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Eagle Butte | 4,000 | Surface Water Purchased | 18 | 3 |
| Isabel | 145 | Surface Water Purchased | 9 | 1 |
| Timber Lake | 499 | Groundwater | 1 | 1 |
| T C & G Rural Water System | 166 | Groundwater | 106 | 0 |