Wastewater Treatment Plant

The primary tasks of the Wastewater Treatment Plant is the treatment of domestic and industrial wastewater to return it to a quality that is safe to return to the St. Mary's river.

The Wastewater Treatment Plant operates of a series of sewage lift stations that is used in transporting the wastewater from individual houses to the treatment plant. The plant treats in excess of 900 million gallons of wastewater yearly.

The Wastewater Treatment Plant is located at 1171 East Portage Avenue, Sault Ste. Marie, MI 49783.  The plant is licensed as a State of Michigan Class B treatment facility serving or designed to serve a population of 10,000 to 50,000. The design capacity for the plant is 8.0 MGD, with an average daily flow of 2.0 MGD. The Wastewater Treatment Plant has primary and secondary treatment, with Rotating Biological Contactors as the main source of pollutant removal.

The Wastewater Treatment Plant has 5 full time operators who do a variety of tasks daily to ensure the wastewater is treated properly, and is ready for safe return back into the environment.