Madison Regional STP - Madison County, Virginia Wastewater Treatment Plant

Madison Regional STP is a municipal wastewater treatment facility located in Madison County, Virginia, United States. The plant serves a small population of 540 residents and operates as part of the county's wastewater infrastructure. The facility is situated inland, away from coastal areas, and treats wastewater from the local community. The plant provides secondary treatment, a standard level of treatment required under the U.S. Clean Water Act for municipal facilities. Secondary treatment typically involves biological processes to remove organic matter and suspended solids. The plant has a designed capacity of 605.66 million gallons per year and currently discharges 340.69 million gallons per year, indicating it operates below its full capacity. The treated effluent is discharged into a local water body, which ultimately drains into the Rappahannock River basin and then into the Chesapeake Bay. The Chesapeake Bay is a large estuary of ecological significance, supporting diverse aquatic life and serving as a critical habitat for fish and migratory birds. The plant's operations contribute to protecting the water quality of this important watershed.

The plant discharges into a tributary of the Rappahannock River, which flows into the Chesapeake Bay, the largest estuary in the United States. The Chesapeake Bay watershed is ecologically sensitive, supporting diverse aquatic species, including blue crabs, oysters, and striped bass. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting the bay's water quality and ecosystem health.