Pattonsburg Wastewater Treatment Plant, Old Pattonsburg, Missouri

The Pattonsburg wastewater treatment plant is located in Old Pattonsburg, a small community in Daviess County, Missouri, United States. The plant serves a population of 348, classifying it as a very small agglomeration under US EPA guidelines. As a secondary treatment facility, the plant meets the minimum standard for municipal wastewater treatment under the US Clean Water Act. Secondary treatment typically involves biological processes to remove organic matter and suspended solids. The plant has a designed capacity of 268.76 megaliters and an annual discharge volume of 189.27 megaliters. The treated effluent is discharged into a local waterway that ultimately drains into the Grand River, a tributary of the Missouri River. The Missouri River flows into the Mississippi River, which empties into the Gulf of Mexico. The plant's operations help protect local water quality and downstream ecosystems.

The plant discharges into a tributary of the Grand River, which flows into the Missouri River and then the Mississippi River, eventually reaching the Gulf of Mexico. The watershed supports diverse aquatic life and is an important migratory corridor for fish and birds. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in this agriculturally intensive region.