Laclede WWTP - Secondary Treatment Facility in Laclede, Missouri

Laclede WWTP is a municipal wastewater treatment plant located in Laclede, Linn County, Missouri, along the Chicago-Kansas City Expressway. The facility serves a small population of 345 residents, reflecting its role in a rural community. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 208.20 units and an average daily discharge of 166.56 units, the plant operates below its capacity. As a US facility, it operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Missouri Department of Natural Resources. The treated effluent is discharged into a local waterway that ultimately drains into the Mississippi River basin. This contributes to the overall water quality management of the region, supporting downstream aquatic ecosystems and recreational uses.

The plant discharges into a local tributary within the Mississippi River basin. The Mississippi River system supports diverse aquatic life and provides drinking water for millions. The plant's secondary treatment helps reduce nutrient and organic loads, protecting downstream water quality in a region dominated by agricultural land use.