Manning WWTP - Secondary Wastewater Treatment in Manning, Iowa

Manning WWTP is a municipal wastewater treatment facility located in Manning, Iowa, serving a population of approximately 1,484 residents. The plant provides secondary treatment, a standard level for small communities in the United States, ensuring compliance with federal and state water quality standards. The plant has a designed capacity of 870.64 units and treats an average daily flow of 681.37 units, indicating operational efficiency. As a US facility, it operates under the Clean Water Act, with discharge permits issued by the Iowa Department of Natural Resources, which regulate effluent limits and monitoring requirements. The treated effluent is discharged into local streams that are part of the Mississippi River basin. This watershed supports diverse aquatic life and provides water for agricultural and recreational uses downstream. Proper treatment helps protect water quality in the region's rivers and lakes.

The plant's discharge enters local waterways that flow into the Mississippi River basin, ultimately reaching the Gulf of Mexico. This watershed supports diverse aquatic ecosystems, including fish and migratory birds. Effective secondary treatment reduces nutrient loads, helping to mitigate downstream eutrophication and maintain ecological balance.