Diamond Jo Worth Wastewater Treatment Plant, Worth County, Iowa

Diamond Jo Worth is an advanced wastewater treatment plant located in Worth County, Iowa, United States. Serving a small population of 337, the plant is part of the rural wastewater infrastructure in northern Iowa, near the Minnesota border. The facility operates under the U.S. Clean Water Act, which mandates that municipal wastewater treatment plants meet National Pollutant Discharge Elimination System (NPDES) permit requirements to protect water quality. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 189.27 megaliters and an annual discharge volume of 83.28 megaliters, the plant operates well within its capacity. The advanced treatment level ensures high-quality effluent, reducing environmental impact on local water bodies. The treated wastewater from Diamond Jo Worth is discharged into local waterways that drain into the Upper Mississippi River basin. The region's watershed supports diverse aquatic life and is part of a larger ecological network that includes wetlands and agricultural areas. The plant's advanced treatment helps protect downstream water quality in the Mississippi River system.

The plant discharges into local streams that flow into the Upper Mississippi River basin. This watershed supports diverse aquatic species and is an important migratory corridor for birds. The advanced treatment reduces nutrient loading, helping to mitigate downstream eutrophication in the Mississippi River and the Gulf of Mexico.