Troy West WWTP Mosquito Crk - Secondary Treatment Plant in Troy, Kansas

Troy West WWTP Mosquito Crk is a municipal wastewater treatment facility located in Troy, Kansas, United States. The plant serves a small population of 340 residents in the Doniphan County area, operating as part of the local wastewater infrastructure. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for most municipal facilities. It has a designed capacity of 246.05 million gallons per year and reports an annual discharge volume of 128.70 million gallons per year. As a small-scale plant, it is subject to National Pollutant Discharge Elimination System (NPDES) permitting administered by the Kansas Department of Health and Environment. The treated effluent is discharged into Mosquito Creek, a tributary that flows into the Missouri River system. This waterway eventually drains into the Mississippi River and the Gulf of Mexico. The plant's operations contribute to protecting local water quality in the Missouri River basin, supporting aquatic life and downstream uses.

The plant discharges into Mosquito Creek, which flows into the Missouri River, a major tributary of the Mississippi River. The Missouri River basin supports diverse aquatic ecosystems and provides habitat for numerous fish species. Downstream, the Mississippi River drains into the Gulf of Mexico, where nutrient loading from upstream sources can contribute to hypoxic zones. The plant's secondary treatment helps reduce organic pollutants and protect water quality in this extensive river network.