DCRUA Twin Lakes POTW No 1 - Secondary Wastewater Treatment in Horn Lake, Mississippi

DCRUA Twin Lakes POTW No 1 is a publicly owned treatment works located in Horn Lake, DeSoto County, Mississippi. The plant serves a small population of 670 residents and operates under the regulatory framework of the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities. The plant provides secondary treatment, a standard level that removes biodegradable organic matter and suspended solids. It has a designed capacity of 567.81 thousand gallons per day and currently discharges an average of 253.62 thousand gallons per day, indicating it operates well below its capacity. The treated effluent is discharged into local waterways that ultimately drain into the Mississippi River basin. The plant plays a role in protecting downstream water quality in the region, supporting aquatic life and recreational uses in the watershed.

The plant discharges into tributaries of the Mississippi River, which flows into the Gulf of Mexico. The Mississippi River basin supports diverse aquatic ecosystems and is an important migratory corridor for fish and birds. The plant's secondary treatment helps reduce nutrient and pollutant loads, contributing to the health of downstream waters.