Suffolk Co SCSD6 Kings Park STP - Town of Smithtown Wastewater Treatment Plant

Suffolk Co SCSD6 Kings Park STP is a municipal wastewater treatment plant serving the Kings Park area of the Town of Smithtown, Suffolk County, New York. With a population served of 6,046, it is classified as a small to medium-sized facility under U.S. EPA guidelines. The plant is situated on Long Island, a region characterized by dense suburban development and proximity to the Atlantic Ocean. As a U.S. facility, the plant operates under the Clean Water Act, administered by the New York State Department of Environmental Conservation (NYSDEC) through the State Pollutant Discharge Elimination System (SPDES). The designed capacity is 1.00 million gallons per day, indicating a moderate capacity relative to its service population. The plant's treated effluent is discharged into the local watershed, which ultimately drains into Long Island Sound, a vital estuary supporting diverse marine life and recreational activities. The facility plays a key role in protecting water quality in this ecologically sensitive coastal environment, helping to prevent nutrient pollution and safeguard habitats for fish and wildlife.

The plant discharges into the Long Island Sound watershed, a major estuary that connects to the Atlantic Ocean. This water body supports critical habitats for finfish, shellfish, and migratory birds. The region faces challenges from nutrient loading and hypoxia, making effective wastewater treatment essential for maintaining ecological balance and recreational uses.