2 plants indexed.
Copper City STP is a secondary treatment plant in Calumet Township, Michigan, serving 193 people. It discharges treated wastewater into the local watershed, contributing to the Keweenaw Peninsula's water quality management.
North Houghton Co WandSA CSO is a wastewater treatment plant in Calumet Township, Michigan, serving approximately 2,677 people. It is located within 50 km of the Lake Superior coast.