Seminary POTW - Secondary Wastewater Treatment Plant in Seminary, Mississippi

Seminary POTW is a municipal wastewater treatment plant located in Seminary, Covington County, Mississippi, United States. The facility serves a small population of 335 residents, reflecting its role as a local infrastructure asset for this rural community. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for municipal facilities discharging to surface waters. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant's designed capacity is 454.25 units, with an average daily discharge of 174.13 units, indicating operational headroom. The treated effluent is discharged into a local waterway, likely a tributary of the Pascagoula River basin, which flows south to the Gulf of Mexico. The plant's operations help protect downstream water quality and aquatic habitats in this ecologically diverse region of Mississippi.

The plant discharges into a local stream within the Pascagoula River watershed, which ultimately drains into the Gulf of Mexico. This region supports diverse aquatic life, including fish and invertebrates, and the river system is an important migratory corridor for species such as the Gulf sturgeon. Proper wastewater treatment is essential to maintain water quality and ecological balance in this coastal plain environment.