Colton T SD1 STP and On Sites - Advanced Wastewater Treatment in Town of Colton, New York

Colton T SD1 STP and On Sites is an advanced wastewater treatment facility located in the Town of Colton, Saint Lawrence County, New York. Serving a small population of 475 residents, the plant plays a key role in managing local wastewater in this rural upstate community. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required under the US Clean Water Act. With a designed capacity of 264.98 megaliters per year and an actual discharge volume of 132.49 megaliters per year, the facility operates well within its capacity, indicating effective treatment and management. The treated effluent is discharged into the local watershed, which ultimately drains into the St. Lawrence River via the Raquette River or nearby tributaries. This region is part of the larger St. Lawrence River basin, supporting diverse aquatic life and providing critical habitat for fish and migratory birds. The advanced treatment helps protect downstream water quality in this ecologically sensitive area.

The plant discharges into the local watershed within the St. Lawrence River basin. The receiving waters flow into the St. Lawrence River, which empties into the Gulf of St. Lawrence and the Atlantic Ocean. This region supports diverse aquatic ecosystems, including coldwater fisheries and migratory bird habitats. Advanced treatment ensures minimal nutrient and pollutant loading, protecting downstream water quality.