Overview
LISCOMB STL is a secondary wastewater treatment plant serving 258 people in Liscomb, Iowa, USA. It discharges 75.71 megaliters per year and has a designed capacity of 113.56 megaliters per year.
LISCOMB STL is a municipal wastewater treatment plant located in Liscomb, Iowa, a small town in Marshall County. The plant serves a population of 258 and operates under the regulatory framework of the United States Clean Water Act, which governs wastewater discharges through the National Pollutant Discharge Elimination System (NPDES) permit program. As a secondary treatment facility, it meets the standard requirement for municipal plants in the US, ensuring that effluent meets quality criteria before discharge. The plant has a designed capacity of 113.56 megaliters per year and currently treats an annual volume of 75.71 megaliters, indicating it operates below its full capacity. The treatment process is secondary, which typically involves biological treatment to remove organic matter and suspended solids. The plant is subject to state-level oversight by Iowa's environmental regulatory authority. The treated effluent is discharged into a local water body, likely a stream or river within the Mississippi River Basin, which ultimately drains into the Gulf of Mexico. The plant plays a key role in protecting local water quality in the rural agricultural landscape of central Iowa, where nutrient runoff from farming is a significant concern. By providing secondary treatment, the plant helps reduce pollutant loads to downstream ecosystems.
Environmental context
The plant discharges into a local waterway that is part of the Mississippi River Basin, eventually reaching the Gulf of Mexico. This region is characterized by intensive agriculture, and the plant's secondary treatment helps mitigate nutrient pollution that can contribute to hypoxic zones in the Gulf. The local watershed supports diverse aquatic life and is important for regional water quality management.
Frequently asked questions
LISCOMB STL is located on Bangor Street in Liscomb, Iowa, United States. It serves the small town of Liscomb in Marshall County.
The plant serves a population of 258 people, making it a small-scale municipal wastewater treatment facility.
The plant discharges treated effluent into a local water body, likely a stream or river within the Mississippi River Basin. The discharge ultimately flows to the Gulf of Mexico.
LISCOMB STL provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal wastewater plants. This involves biological processes to remove organic matter and solids.
As a US plant, LISCOMB STL operates under the Clean Water Act and is subject to NPDES permit requirements. For small plants like this, secondary treatment is typically mandated to protect water quality in receiving streams.
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