Morris Northwest WWT - Secondary Treatment Plant in Morris, Oklahoma

Morris Northwest WWT is a municipal wastewater treatment facility located in Morris, Okmulgee County, Oklahoma. The plant serves a population of 1,294 and operates under the regulatory framework of the US Clean Water Act, which requires secondary treatment for municipal discharges. The facility's designed capacity is 908.50 m³/day, with an actual discharge volume of 378.54 m³/day. The plant provides secondary treatment, a standard level for small communities in the United States. Under the National Pollutant Discharge Elimination System (NPDES), permits are issued by the Oklahoma Department of Environmental Quality to ensure compliance with water quality standards. The plant's treatment process meets the minimum requirements for protecting receiving water bodies. The treated effluent from Morris Northwest WWT discharges into a local waterway that ultimately drains into the Arkansas River basin. This watershed supports diverse aquatic life and provides water for agricultural and recreational uses downstream. The plant's operations help maintain water quality in the region's surface waters.

The plant discharges into a tributary of the Arkansas River, which flows through Oklahoma and Arkansas before joining the Mississippi River. The Arkansas River basin supports a variety of fish species and provides habitat for migratory birds. The plant's secondary treatment helps reduce nutrient and organic loads, protecting downstream water quality in this ecologically important watershed.