Gibson WWTP - Secondary Wastewater Treatment in Gibson, North Carolina

Gibson WWTP is a municipal wastewater treatment plant located in Gibson, Scotland County, North Carolina, United States. The facility serves a small population of 582 residents, reflecting its role in a rural community. As a secondary treatment plant, it provides biological treatment to reduce organic pollutants and suspended solids before discharge. The plant's designed capacity is 3732.40 units, with an actual discharge volume of 208.20 units, indicating it operates well below its maximum capacity. Under the U.S. Clean Water Act, such facilities are regulated through National Pollutant Discharge Elimination System (NPDES) permits, which set effluent limits to protect water quality. The plant's secondary treatment level meets the minimum federal standard for municipal wastewater treatment. The treated effluent is discharged into a local water body, likely a stream or river within the Lumber River basin, which flows into the Pee Dee River and ultimately the Atlantic Ocean. The plant plays a key role in protecting downstream water quality and aquatic ecosystems in this rural area of North Carolina.

Gibson WWTP discharges into a local watercourse that is part of the Lumber River watershed, which drains into the Pee Dee River and then to Winyah Bay and the Atlantic Ocean. The surrounding area is characterized by lowland forests and agricultural land, supporting diverse aquatic life. The plant's secondary treatment helps reduce nutrient and organic loading, protecting downstream habitats from eutrophication and oxygen depletion.