POPLAR BLUFF S LAGOON Wastewater Treatment Plant, Poplar Bluff, Missouri

POPLAR BLUFF S LAGOON is a municipal wastewater treatment facility located in Poplar Bluff, Missouri, within Butler County. The plant serves a population of approximately 17,657 residents, classifying it as a medium-sized agglomeration under US regulatory standards. Its location in the southeastern part of the state places it within the Mississippi River watershed. As a US-based facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting requirements. For a community of this size, secondary treatment is typically mandated, and the plant's lagoon system likely provides biological treatment followed by settling. The population served suggests a moderate-scale operation. The plant discharges treated effluent into local waterways that ultimately drain into the Mississippi River system. This river basin supports diverse aquatic life and provides drinking water for downstream communities. The plant's performance is critical for maintaining water quality in the region's streams and rivers, which are part of the larger Mississippi River ecosystem.

The plant discharges into tributaries of the Black River, which flows into the White River and eventually the Mississippi River. This watershed supports a variety of fish species and provides habitat for migratory birds. The region's clay-rich soils and flat terrain influence runoff patterns, making proper wastewater treatment essential to prevent nutrient loading and sedimentation in downstream water bodies.