Huntington T STP and Collection - Town of Huntington, New York Wastewater Treatment Plant

Huntington T STP and Collection is a municipal wastewater treatment plant serving the Town of Huntington in Suffolk County, New York. The facility is situated on the north shore of Long Island, near Halesite Marina, and handles wastewater from a population of about 25,000 residents. As a plant in the United States, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the New York State Department of Environmental Conservation. For a community of this size, secondary treatment is typically required, with additional nutrient removal likely needed to protect sensitive coastal waters. The plant's designed capacity is 1.00 million gallons per day, indicating it is sized for moderate flows. Treated effluent is discharged into the Long Island Sound watershed, a vital estuary that supports diverse marine life, including shellfish, finfish, and migratory birds. The plant's location in a coastal suburban area means its performance directly affects local water quality and recreational uses of the sound.

The plant discharges into the Long Island Sound watershed, which drains into the Atlantic Ocean. Long Island Sound is a productive estuary that supports commercial and recreational fisheries, as well as critical habitats for birds and marine species. Nutrient loading from wastewater can contribute to hypoxia and algal blooms, making effective treatment essential for maintaining ecological health.