Macomb Sewage Treat Plant, Macomb

Overview

Macomb Sewage Treat Plant serves approximately 22,000 residents in Macomb, Illinois. The facility operates under the U.S. Clean Water Act, with oversight from the Illinois Environmental Protection Agency.

The Macomb Sewage Treat Plant is a municipal wastewater treatment facility located at 898 West Grant Street in Macomb, Illinois. Serving a population of about 22,000, it is a key component of the city's infrastructure, managing wastewater from residential and commercial sources in McDonough County. Under the U.S. Clean Water Act, plants of this scale are typically required to meet secondary treatment standards through the National Pollutant Discharge Elimination System (NPDES) permit program. The Illinois Environmental Protection Agency issues permits that set effluent limits to protect water quality, with monitoring and reporting obligations for the operator. The plant's treated effluent is discharged into a local waterway that ultimately drains into the Mississippi River basin. This watershed supports diverse aquatic life and provides drinking water for downstream communities. Proper treatment is essential to prevent nutrient pollution and maintain the ecological health of the receiving waters.

Environmental context

The plant discharges into a tributary of the Mississippi River, which flows into the Gulf of Mexico. The region's agricultural landscape contributes nutrient runoff, making effective wastewater treatment critical to reducing the hypoxic zone in the Gulf. The local watershed supports fish and wildlife habitats, and the plant's operations help maintain water quality standards.

Frequently asked questions

The plant is located at 898 West Grant Street in Macomb, Illinois, United States.

The plant serves approximately 22,004 residents in the city of Macomb and surrounding areas.

The treated effluent is discharged into a local waterway that is part of the Mississippi River basin, eventually reaching the Gulf of Mexico.

The plant operates under the U.S. Clean Water Act, with NPDES permits issued by the Illinois Environmental Protection Agency that set effluent limits and monitoring requirements.

Plants of this size typically provide secondary treatment, which includes biological processes to remove organic matter and suspended solids, meeting EPA standards for discharge into surface waters.