Keweenaw County, Michigan
5 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Grant Township - Copper Harbor | 200 | Groundwater | 13 | 5 |
| Eagle Harbor Township | 300 | Groundwater | 13 | 1 |
| Sherman Township | 40 | Groundwater | 112 | 0 |
| Ahmeek | 148 | Groundwater Purchased | 3 | 0 |
| Houghton Township | 138 | Groundwater | 3 | 0 |