Overview
POWELL LAGOON serves Powell, Wyoming, treating wastewater for approximately 6,314 residents. The plant discharges into local waterways, supporting the Bighorn River basin.
POWELL LAGOON is a municipal wastewater treatment facility located in Powell, Park County, Wyoming, United States. It serves a population of about 6,314 people, typical of a small agglomeration in the rural Mountain West. As a US facility, POWELL LAGOON operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Wyoming Department of Environmental Quality. For a plant of this scale, secondary treatment is the federal minimum standard, though lagoon systems often provide natural treatment through settling and biological processes. The plant's treated effluent enters local drainage that flows into the Shoshone River, a tributary of the Bighorn River, which ultimately reaches the Yellowstone River and the Missouri-Mississippi system. This watershed supports agricultural irrigation and diverse aquatic habitats in the semi-arid region.
Environmental context
POWELL LAGOON discharges into the Shoshone River watershed, which flows into the Bighorn River and then the Yellowstone River. This basin supports cold-water fisheries including trout species and provides irrigation water for agriculture in the Bighorn Basin. The semi-arid climate makes water quality management critical for downstream ecosystems and human use.
Frequently asked questions
POWELL LAGOON is located on Lane 7 in Powell, Park County, Wyoming, United States.
POWELL LAGOON serves approximately 6,314 residents in the Powell area.
The plant discharges treated effluent into local waterways that drain into the Shoshone River, part of the Bighorn River basin.
As a US facility, POWELL LAGOON operates under the Clean Water Act and is regulated by an NPDES permit issued by the Wyoming Department of Environmental Quality.
For small agglomerations like Powell, secondary treatment is the federal minimum. Many such plants use lagoon systems, which provide natural biological treatment through settling ponds and aeration.
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