Athens STP - Advanced Wastewater Treatment in Athens, Louisiana

Athens STP is a municipal wastewater treatment facility located in Athens, Claiborne Parish, Louisiana. The plant serves a small population of 278 residents, providing advanced treatment to protect local water quality. As a facility in the United States, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 109.78 million gallons per year and an actual discharge volume of 113.56 million gallons per year, the facility operates near its capacity. The plant's advanced treatment level is appropriate for its size and regulatory requirements. The treated effluent is discharged into a local water body, ultimately contributing to the Red River basin and the Mississippi River watershed. This region supports diverse aquatic life and provides important ecosystem services. The plant's advanced treatment helps minimize nutrient loading and protects downstream water quality in this ecologically sensitive area.

The plant discharges into a local waterway that flows into the Red River, a major tributary of the Mississippi River. The Mississippi River watershed drains into the Gulf of Mexico, where nutrient pollution contributes to seasonal hypoxic zones. Advanced treatment at Athens STP helps reduce nitrogen and phosphorus loads, supporting the health of downstream aquatic ecosystems.