Thessalon Wastewater Treatment Lagoon - Secondary Treatment Plant in Thessalon, Ontario

Thessalon Wastewater Treatment Lagoon is a municipal wastewater facility located on Peachey Street in Thessalon, a community in Algoma District, Northeastern Ontario, Canada. The plant serves a population of approximately 1,446 people and operates under Ontario's regulatory framework for wastewater treatment. The plant provides secondary treatment, which is the standard level required for communities of this size under Canadian federal and provincial guidelines. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The facility's annual discharge volume is 862.00 cubic meters, though specific design capacity and treatment process details are not part of the available data. The treated effluent is discharged into the local watershed, which ultimately flows into the North Channel of Lake Huron, part of the Great Lakes system. This water body supports diverse aquatic life and is an important recreational and ecological resource. The plant's coastal location within 10 km of Lake Huron underscores the importance of effective treatment to protect water quality in the Great Lakes basin.

The plant discharges into the North Channel of Lake Huron, a major waterway connecting Lake Superior to Lake Huron. This area supports diverse fish populations and migratory birds. As part of the Great Lakes system, the receiving waters are ecologically sensitive, requiring careful management to prevent nutrient loading and algal blooms.