Lincoln County PWSD 1 WWTP - Secondary Treatment Plant in Lincoln County, Missouri

Lincoln County PWSD 1 WWTP is a municipal wastewater treatment facility located in Lincoln County, Missouri, United States. The plant serves a population of approximately 1,628 residents, operating as part of the county's public water supply district infrastructure. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for municipal wastewater facilities. With a designed capacity of 2,839.05 million gallons per year and an actual discharge volume of 340.69 million gallons per year, the plant operates well below its capacity, indicating room for future growth. The treated effluent is discharged into local waterways that ultimately drain into the Mississippi River basin. The plant plays a key role in protecting downstream water quality in the Missouri River watershed, supporting aquatic life and recreational uses in the region.

The plant discharges into local streams that flow into the Mississippi River basin, a major drainage system that empties into the Gulf of Mexico. The watershed supports diverse aquatic ecosystems and is an important corridor for migratory fish. The plant's secondary treatment helps reduce nutrient loading and protect downstream water quality.