Alexandria WWTP - Secondary Treatment Plant in Thayer County, Nebraska

Alexandria WWTP is a municipal wastewater treatment facility located on Enslow Street in Thayer County, Nebraska, serving a small population of 297 residents. The plant provides secondary treatment, a standard level for small communities in the United States, ensuring that pollutants are reduced before discharge. As a secondary treatment plant, Alexandria WWTP meets the requirements of the US Clean Water Act, which mandates secondary treatment for municipal facilities. The plant has a designed capacity of 75.71 units and currently operates at full capacity, reflecting the demands of the local community. Regulatory oversight is provided by the Nebraska Department of Environment and Energy under the National Pollutant Discharge Elimination System (NPDES) permit program. The treated effluent from Alexandria WWTP is discharged into local waterways that drain into the Missouri River basin, ultimately reaching the Mississippi River and the Gulf of Mexico. This discharge supports the ecological health of the region's streams and rivers, which provide habitat for diverse aquatic species and contribute to the overall water quality of the downstream watershed.

The plant discharges into the Missouri River basin, which flows into the Mississippi River and then the Gulf of Mexico. This watershed supports a variety of aquatic life, including fish and macroinvertebrates, and is an important migratory corridor for birds. The secondary treatment process helps protect downstream water quality by reducing organic pollutants and suspended solids.