Overview
Sheridan WWTP serves approximately 17,444 people in Sheridan, Wyoming. The plant discharges treated wastewater into local waterways, supporting the Tongue River watershed.
Sheridan WWTP is a municipal wastewater treatment facility located in Sheridan, Wyoming, United States. Serving a population of around 17,444, the plant is part of the city's infrastructure for managing domestic and industrial wastewater. As a medium-sized agglomeration, the plant operates under the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all discharges into surface waters. The facility's treatment processes are designed to meet state and federal water quality standards, ensuring protection of public health and the environment. The plant's treated effluent is discharged into local waterways that flow into the Tongue River, a tributary of the Yellowstone River. The Yellowstone River system ultimately drains into the Missouri River and then the Mississippi River, reaching the Gulf of Mexico. This downstream connectivity underscores the plant's role in maintaining water quality across a vast watershed. The region's semi-arid climate and reliance on surface water for agriculture and recreation make effective wastewater treatment critical for sustaining local ecosystems and community water supplies. Environmental considerations include the protection of aquatic habitats in the Tongue River, which supports diverse fish species and serves as a migratory corridor for birds. The plant's compliance with NPDES permit limits helps prevent nutrient pollution and other contaminants that could degrade water quality downstream. By treating wastewater to required standards, Sheridan WWTP contributes to the ecological health of the Yellowstone River basin and the broader Mississippi River system.
Environmental context
Sheridan WWTP discharges into local streams that feed the Tongue River, a tributary of the Yellowstone River. The Yellowstone River flows into the Missouri River, which joins the Mississippi River and empties into the Gulf of Mexico. This extensive drainage network means the plant's effluent quality affects aquatic life across multiple states. The Tongue River supports cold-water fisheries and riparian habitats, making nutrient and pathogen control essential for maintaining ecological balance in the watershed.
Frequently asked questions
Sheridan WWTP is located at 398 Fort Road, Sheridan, Wyoming, United States.
Sheridan WWTP serves approximately 17,444 people in the Sheridan area.
The plant discharges treated effluent into local waterways that flow into the Tongue River, part of the Yellowstone River basin.
Sheridan WWTP operates under the U.S. Clean Water Act, requiring an NPDES permit issued by the Wyoming Department of Environmental Quality to ensure discharges meet water quality standards.
Plants of this size in the U.S. typically provide secondary treatment, which includes biological processes to remove organic matter and suspended solids, as required by the Clean Water Act.
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