19 counties
Counties in Michigan
- Alcona County1 water
- Antrim County1 water
- Baraga County1 water
- Berrien County1 water
- Branch County1 water
- Calhoun County1 water
- Grand Traverse County1 water
- Iosco County3 waters
- Kent County1 water
- Manistee County2 waters
- Mecosta County1 water
- Monroe County1 water
- Montcalm County1 water
- Oscoda County1 water
- Ottawa County2 waters
- Saginaw County1 water
- Washtenaw County1 water
- Wayne County1 water
- Wexford County1 water