Overview
DYER STP serves approximately 13,895 residents in Dyer, Indiana, as part of the municipal wastewater infrastructure. The plant operates under U.S. EPA NPDES regulations.
DYER STP is a wastewater treatment plant located in Dyer, Indiana, serving a population of about 13,895. The facility is situated in Lake County, within the Great Lakes Basin, and plays a key role in managing local wastewater for this suburban community near the Illinois border. As a U.S. plant of this scale, DYER STP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Indiana Department of Environmental Management. These permits set effluent limits to protect water quality. The plant's designed capacity is 1.00 million gallons per day, indicating it is sized for a medium-sized agglomeration. The treated effluent from DYER STP ultimately discharges into the Lake Michigan watershed, contributing to the overall water quality of the Great Lakes system. The plant's operations help protect downstream aquatic habitats and recreational waters in the region.
Environmental context
DYER STP discharges into the Lake Michigan basin, part of the Great Lakes system, which supports diverse aquatic life and provides drinking water for millions. The plant's location in an urbanized area near the Illinois border means its effluent can affect local streams and wetlands that drain into Lake Michigan, an ecologically sensitive freshwater resource.
Frequently asked questions
DYER STP is located at 516 Edmond Drive, Dyer, Indiana, in Lake County, near the Illinois border.
DYER STP serves approximately 13,895 residents in the town of Dyer and surrounding areas.
DYER STP discharges treated effluent into the Lake Michigan watershed, ultimately reaching the Great Lakes system.
DYER STP operates under the U.S. Clean Water Act, with NPDES permits issued by the Indiana Department of Environmental Management.
Plants of this scale typically use secondary treatment (biological processes) followed by disinfection, as required by EPA standards for surface water discharge.
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