Overview
Monroe West STL is a secondary wastewater treatment plant serving Monroe, Iowa. It treats approximately 617,000 gallons of wastewater daily with a designed capacity of 719,000 gallons.
Monroe West STL is a municipal wastewater treatment plant located in Monroe, Iowa, serving a population of about 700 residents. The facility is situated in Jasper County and operates as part of the local infrastructure to manage domestic wastewater from the community. The plant provides secondary treatment, which is the standard biological treatment process required under the U.S. Clean Water Act for municipal facilities. With a daily discharge volume of 617,000 gallons and a designed capacity of 719,000 gallons, the plant operates below its capacity, indicating adequate headroom for current demand. Treated effluent from the plant is discharged into a local waterway that ultimately drains into the Mississippi River basin. The plant plays a key role in protecting downstream water quality in Iowa's rivers and streams, supporting aquatic life and recreational uses in the region.
Environmental context
The plant discharges into a tributary of the Mississippi River basin, which flows south to the Gulf of Mexico. The local watershed supports diverse aquatic habitats and is important for regional biodiversity. Proper treatment helps reduce nutrient loading and protects downstream ecosystems from pollution.
Frequently asked questions
Monroe West STL is located at 604 Sherman Street in Monroe, Iowa, United States.
The plant serves approximately 700 residents in the Monroe area.
The plant discharges treated effluent into a local waterway that is part of the Mississippi River basin.
Monroe West STL provides secondary treatment, which is the standard required by the U.S. Clean Water Act for municipal wastewater plants.
As a U.S. plant, Monroe West STL operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Iowa Department of Natural Resources.
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