Winfield WWTP - Secondary Treatment Facility in Winfield, Missouri

Winfield WWTP is a municipal wastewater treatment plant located on Maple Street in Winfield, Lincoln County, Missouri. The facility serves a small population of 723 residents, reflecting the rural character of the area. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal facilities. With a designed capacity of 741.94 cubic meters per day and a current discharge volume of 378.54 cubic meters per day, the plant operates well within its capacity. As a US facility, it operates under an EPA NPDES permit issued by the Missouri Department of Natural Resources, ensuring compliance with effluent limits. The treated effluent is discharged into local streams that are part of the Mississippi River basin. The Mississippi River system supports diverse aquatic life and provides drinking water for millions downstream. The plant's secondary treatment helps protect water quality in this important watershed.

The plant discharges into tributaries of the Mississippi River, which flows into the Gulf of Mexico. The Mississippi River basin is one of the largest in North America, supporting extensive aquatic ecosystems and providing critical habitat for fish and migratory birds. The plant's secondary treatment helps reduce nutrient loads that could contribute to hypoxia in the Gulf.