Overview
METRO WWTP serves Washington Park, South Carolina, treating wastewater for approximately 304,735 people. The plant operates under U. S. EPA NPDES regulations, ensuring compliance with Clean Water Act standards.
METRO WWTP is a major wastewater treatment facility located in Washington Park, South Carolina, serving a population of around 304,735. The plant is situated in Richland County and plays a critical role in managing municipal wastewater for the region. As a large agglomeration serving over 100,000 people, the plant is subject to stringent regulatory requirements under the U. S. Clean Water Act, administered through the National Pollutant Discharge Elimination System (NPDES). This framework mandates secondary treatment as a minimum, with potential additional nutrient removal requirements depending on the receiving water body's sensitivity. The treated effluent is discharged into local waterways that ultimately drain into the Atlantic Ocean via the Congaree River and the Santee River system. The plant's operations are essential for protecting downstream aquatic ecosystems and maintaining water quality in the region's rivers and coastal waters.
Environmental context
The plant's discharge enters the Congaree River basin, which flows into the Santee River and eventually reaches the Atlantic Ocean. This watershed supports diverse aquatic life, including fish and migratory species, and is ecologically sensitive to nutrient pollution. The plant's treatment performance directly influences the health of these downstream environments.
Frequently asked questions
METRO WWTP is located on South Beltline Boulevard in Washington Park, Richland County, South Carolina, United States.
The plant serves approximately 304,735 people, classifying it as a large agglomeration under U. S. EPA guidelines.
The treated effluent is discharged into local waterways that flow into the Congaree River, part of the Santee River basin, ultimately reaching the Atlantic Ocean.
The plant operates under the U. S. Clean Water Act, with permits issued through the National Pollutant Discharge Elimination System (NPDES), which sets effluent limits and monitoring requirements.
Plants of this scale typically employ secondary treatment (biological processes) as a minimum, often with advanced nutrient removal to meet water quality standards in sensitive watersheds.
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