MILTON WWTP - Secondary Wastewater Treatment Plant in Milton, Iowa

MILTON WWTP is a municipal wastewater treatment plant located in Milton, Iowa, United States. The facility serves a small population of 506 residents and operates under secondary treatment standards, which are typical for small communities in the region. The plant's designed capacity is 302.83 million gallons per year, and it currently discharges 340.69 million gallons per year, indicating operation near or slightly above its design capacity. As a US facility, it is regulated under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Iowa Department of Natural Resources to ensure compliance with effluent limits. The treated effluent is discharged into local waterways that ultimately drain into the Mississippi River basin. The plant plays a key role in protecting downstream water quality in the region's agricultural landscape, supporting aquatic life and recreational uses in the receiving waters.

The plant discharges into local streams that flow into the Des Moines River, a tributary of the Mississippi River. The downstream environment supports diverse aquatic species and is part of the larger Mississippi River watershed, which is ecologically significant for migratory birds and fish. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, mitigating impacts on downstream water quality.