Overview
LANGFORD STP is a secondary treatment plant in Marshall County, South Dakota, serving 298 people. It discharges 113.56 megaliters annually and has a designed capacity of 189.27 megaliters.
LANGFORD STP is a municipal wastewater treatment plant located in Hickman Township, Marshall County, South Dakota, along SD Highway 27. The facility serves a small population of 298 residents and operates under secondary treatment standards, which is typical for small communities in the United States. The plant's designed capacity is 189.27 megaliters, with an annual discharge volume of 113.56 megaliters, indicating it operates below capacity. As a US facility, it is subject to the Clean Water Act and likely operates under an EPA NPDES permit issued by the state of South Dakota, which sets effluent limits for secondary treatment. The treated effluent is discharged into local surface waters, contributing to the watershed of the James River basin, which flows northward into the Missouri River. The plant plays a role in protecting downstream water quality in this agricultural region of the Northern Plains.
Environmental context
The plant discharges into local streams that are part of the James River basin, which flows into the Missouri River and ultimately the Mississippi River system. The surrounding area is predominantly agricultural, so the plant helps reduce nutrient and pathogen loads that could affect downstream aquatic life and irrigation water quality.
Frequently asked questions
LANGFORD STP is located on SD Highway 27 in Hickman Township, Marshall County, South Dakota, USA.
The plant serves a population of 298 people.
The plant discharges treated effluent into local surface waters within the James River basin, which flows into the Missouri River.
LANGFORD STP provides secondary treatment, which is the standard required by the US Clean Water Act for municipal wastewater plants.
As a US facility, LANGFORD STP operates under the Clean Water Act and is likely permitted through the EPA NPDES program, with oversight from the South Dakota Department of Environment and Natural Resources.
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