Overview
Mendota STP serves approximately 12,000 residents in Mendota, Illinois. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities.
Mendota STP is a municipal wastewater treatment plant located in Mendota, Illinois, serving a population of about 12,000. The facility is situated in LaSalle County and is part of the region's water infrastructure. As a U.S. plant serving a medium-sized community, Mendota STP is subject to the Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting. The plant is expected to provide at least secondary treatment, which is the national standard for municipal wastewater facilities under the Clean Water Act. The plant's treated effluent is discharged into local waterways that drain into the Illinois River basin, ultimately reaching the Mississippi River. This watershed supports diverse aquatic life and provides water for downstream communities and agriculture.
Environmental context
Mendota STP discharges into the Illinois River watershed, which flows into the Mississippi River and eventually the Gulf of Mexico. The Illinois River supports a variety of fish species and migratory birds. The plant's operations help protect water quality in this ecologically important river system.
Frequently asked questions
Mendota STP is located on 7th Avenue in Mendota, Illinois, within Mendota Township, LaSalle County.
Mendota STP serves approximately 12,000 residents in the city of Mendota and surrounding areas.
The plant discharges treated effluent into local waterways that are part of the Illinois River basin, which flows to the Mississippi River.
Mendota STP operates under the U.S. Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Illinois Environmental Protection Agency.
In the U.S., municipal wastewater treatment plants serving populations of this size are typically required to provide secondary treatment, which includes biological processes to remove organic matter and suspended solids.
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