Richland Co St Andrews Terrace Wastewater Treatment Plant, Columbia, South Carolina

Richland Co St Andrews Terrace is a wastewater treatment plant located in Columbia, South Carolina, within Richland County. The facility serves a small population of 22 people, providing secondary treatment to municipal wastewater. As a small-scale plant, it plays a role in managing local sewage in the Columbia metropolitan area. The plant operates under the regulatory framework of the United States Clean Water Act, which requires secondary treatment for municipal wastewater. The National Pollutant Discharge Elimination System (NPDES) permits, issued by the South Carolina Department of Health and Environmental Control, govern discharge standards for such facilities. The plant's small population served suggests a modest treatment capacity. The treated effluent from Richland Co St Andrews Terrace is discharged into the local watershed, which ultimately drains into the Broad River. The Broad River flows into the Congaree River, then the Santee River, and eventually reaches the Atlantic Ocean. The plant's operations help protect downstream water quality in these rivers, supporting aquatic life and recreational uses.

The plant discharges into the Broad River basin, which flows through South Carolina to the Congaree and Santee Rivers before reaching the Atlantic Ocean. This watershed supports diverse aquatic ecosystems, including fish and migratory species. The secondary treatment provided helps reduce nutrient and pollutant loads, mitigating impacts on downstream water quality and ecological health.