COLCORD WWT Wastewater Treatment Plant, Colcord, Oklahoma

COLCORD WWT is a municipal wastewater treatment facility located in Colcord, Oklahoma, a small town in Delaware County. The plant serves a population of approximately 819 residents, providing essential sanitation services to the community. As a secondary treatment plant, it meets the standard requirements for reducing organic pollutants and suspended solids before discharge. The plant has a designed capacity of 287.69 thousand cubic meters per year and currently treats an average discharge volume of 200.63 thousand cubic meters annually. Under the U.S. Clean Water Act, facilities of this scale are typically regulated through the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. The plant's secondary treatment level aligns with the federal minimum requirements for municipal wastewater treatment. The treated effluent from COLCORD WWT is discharged into local streams that are part of the Arkansas River watershed, ultimately draining into the Mississippi River and the Gulf of Mexico. This connection highlights the plant's role in maintaining downstream water quality and supporting aquatic ecosystems in the region.

COLCORD WWT discharges into tributaries of the Arkansas River basin, which flows through Oklahoma and Arkansas before joining the Mississippi River. The local watershed supports diverse aquatic life and provides habitat for fish and other species. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water bodies from eutrophication and maintaining ecological balance in the region.