DEDHAM STL Wastewater Treatment Plant, Dedham, Iowa | Secondary Treatment Facility

DEDHAM STL is a municipal wastewater treatment plant located in Dedham, a small town in Carroll County, Iowa. The facility serves a population of approximately 280 residents, reflecting its role in a rural community. As a secondary treatment plant, it provides biological treatment to remove organic matter and suspended solids from wastewater. The plant operates under the regulatory framework of the United States Clean Water Act, which requires secondary treatment for municipal wastewater discharges. The National Pollutant Discharge Elimination System (NPDES) permit program governs such facilities, ensuring compliance with water quality standards. The plant's designed capacity of 102.21 units and current discharge volume of 75.71 units indicate it operates below its full capacity. The treated effluent from DEDHAM STL is discharged into a local water body, likely a stream or river within the Mississippi River basin. The plant's location in inland Iowa means its discharge contributes to the broader watershed that eventually drains to the Gulf of Mexico. Protecting local water quality is essential for downstream aquatic ecosystems and regional water resources.

The plant discharges into a local water body within the Mississippi River basin, which flows south to the Gulf of Mexico. The watershed supports diverse aquatic life and is part of a larger network of rivers and streams that provide habitat for fish and wildlife. The plant's secondary treatment helps reduce nutrient and pollutant loads, mitigating impacts on downstream ecosystems.