LBVSD Middle Big Creek WWTP - Pleasant Hill, Missouri Wastewater Treatment

The LBVSD Middle Big Creek WWTP is a municipal wastewater treatment facility located in Pleasant Hill, Cass County, Missouri. It serves a population of about 7,613 people, making it a small-to-medium agglomeration under U.S. regulatory frameworks. As a U.S. facility, the plant operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Missouri Department of Natural Resources. For plants of this scale, secondary treatment is typically required to meet effluent limits for biochemical oxygen demand and total suspended solids. The plant discharges into the Big Creek watershed, which flows into the South Grand River and ultimately the Missouri River. This water body supports diverse aquatic life and is part of the larger Mississippi River drainage basin, which empties into the Gulf of Mexico.

The plant discharges into Big Creek, a tributary of the South Grand River, which flows into the Missouri River. The Missouri River is a major tributary of the Mississippi River, eventually reaching the Gulf of Mexico. The watershed supports diverse aquatic species and provides habitat for migratory birds. The plant's effluent quality is critical to maintaining the ecological health of these downstream waters.