Oxford Jct WWTP - Secondary Treatment Plant in Oxford Mills, Iowa

Oxford Jct WWTP is a municipal wastewater treatment facility located in Oxford Mills, Jones County, Iowa. The plant serves a population of approximately 590 residents and operates under the regulatory framework of the United States Clean Water Act, which requires secondary treatment for municipal discharges. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 249.84 thousand cubic meters per year and an actual discharge volume of 227.13 thousand cubic meters per year, the facility operates at about 91% capacity, indicating efficient utilization. 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 region's agricultural landscape, supporting aquatic life and recreational uses in the receiving waters.

The plant discharges into tributaries of the Mississippi River, which flows into the Gulf of Mexico. The local watershed is primarily agricultural, and the plant's secondary treatment helps reduce nutrient loads that could contribute to hypoxia in the Gulf. The facility supports the ecological health of the region's streams and rivers.