Waterloo V STP - Wastewater Treatment Plant in Village of Waterloo, New York

Waterloo V STP is a municipal wastewater treatment facility located at 77 East River Street in the Village of Waterloo, Seneca County, New York. The plant serves a population of about 5,541 people, classifying it as a small to medium agglomeration under U.S. regulatory frameworks. Its designed capacity is 1.00 million gallons per day, indicating it is sized to handle the community's wastewater flows. As a U.S. facility, Waterloo V STP 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). Plants of this scale typically employ secondary treatment processes, such as activated sludge or trickling filters, to meet effluent limits for biochemical oxygen demand and total suspended solids. It is expected to comply with state and federal discharge standards. The plant discharges treated effluent into a local water body, likely the Seneca River or a tributary, which flows into the Cayuga-Seneca Canal and ultimately into Lake Ontario. This watershed supports diverse aquatic life and is part of the larger Great Lakes Basin. The plant's operation is critical for protecting downstream water quality and recreational uses in the Finger Lakes region.

Waterloo V STP discharges into the Seneca River, which flows northward through the Finger Lakes region into the Cayuga-Seneca Canal and then into Lake Ontario, a major freshwater lake in the Great Lakes system. The Seneca River watershed supports diverse aquatic habitats, including wetlands and fish spawning areas, and is used for recreation and drinking water. Protecting this waterway from nutrient pollution and pathogens is essential for maintaining ecological health and downstream water quality.