Castile V WWTP - Advanced Wastewater Treatment in Town of Castile, New York

Castile V WWTP is an advanced wastewater treatment facility located in the Town of Castile, Wyoming County, New York. The plant serves a population of 1,051 residents, providing essential sanitation services to this rural community in the western part of the state. The plant operates with advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 662.45 volume units, the facility meets the needs of its service area. As a US plant, it operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the New York State Department of Environmental Conservation, ensuring compliance with federal and state water quality standards. The treated effluent is discharged into local waterways that ultimately drain into the Genesee River basin and then into Lake Ontario. The plant's advanced treatment helps protect downstream aquatic ecosystems and supports the overall health of the Great Lakes watershed.

The plant discharges into tributaries of the Genesee River, which flows north into Lake Ontario, part of the Great Lakes system. This watershed supports diverse aquatic life and provides drinking water for millions. Advanced treatment at this plant helps reduce nutrient loading, protecting the lake from eutrophication and harmful algal blooms.