ROSECRANS AIRPORT LAGOON Wastewater Treatment Plant, Buchanan County, Missouri

ROSECRANS AIRPORT LAGOON is a wastewater treatment facility located on Airport Road in Buchanan County, Missouri, United States. The plant serves a small population of approximately 130 people, reflecting its role as a local infrastructure asset for the airport and surrounding area. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater facilities. Under the National Pollutant Discharge Elimination System (NPDES), plants of this scale are typically permitted by the Missouri Department of Natural Resources to ensure compliance with water quality standards. The designed capacity of 230.91 million gallons per year indicates the plant's potential to handle higher flows, while the actual discharge volume of 49.21 million gallons per year suggests current operations are well within capacity. The treated effluent is discharged into a local waterway that ultimately drains into the Missouri River watershed, contributing to the Mississippi River basin. This region supports diverse aquatic life and is important for regional water quality management. The plant's inland location reduces direct marine impact, but its discharge still affects local streams and downstream ecosystems.

The plant discharges into a receiving water body within the Missouri River watershed, which flows into the Mississippi River and eventually the Gulf of Mexico. This inland location means the effluent influences freshwater ecosystems, including streams and rivers that support fish, macroinvertebrates, and riparian vegetation. The Missouri River basin is a critical migratory corridor for birds and aquatic species, and maintaining water quality is essential for ecological health and downstream uses such as drinking water and recreation.