Marietta WWT - Secondary Wastewater Treatment Plant in Marietta, Oklahoma

Marietta WWT is a municipal wastewater treatment facility located in Marietta, Love County, Oklahoma, United States. The plant serves a population of approximately 2,660 residents and is situated along World War I Veterans Memorial Highway. As a secondary treatment plant, it provides biological treatment to remove organic matter and suspended solids from wastewater before discharge. The plant has a designed capacity of 1,211.33 thousand cubic meters per year and currently treats an annual discharge volume of 984.21 thousand cubic meters. Under the US Clean Water Act, facilities of this scale are typically regulated through National Pollutant Discharge Elimination System (NPDES) permits issued by the Oklahoma Department of Environmental Quality. These permits set effluent limits to protect water quality in receiving streams. The treated effluent from Marietta WWT likely discharges into a local waterway within the Red River basin, which flows south into the Red River and eventually into the Mississippi River and the Gulf of Mexico. The plant plays a key role in protecting downstream aquatic ecosystems and maintaining water quality in the region.

The plant discharges into a local tributary within the Red River watershed, which drains into the Red River and ultimately the Mississippi River and Gulf of Mexico. The receiving water body supports diverse aquatic life and is part of a larger basin that provides habitat for fish and migratory birds. Secondary treatment helps reduce nutrient loads and organic pollution, protecting downstream water quality in this ecologically sensitive region.