Overview
Mount Crested Butte WSD serves about 9,500 people in Gunnison, Colorado, treating wastewater before discharge into the Gunnison River basin. The plant operates under U.S. Clean Water Act regulations.
Mount Crested Butte WSD is a wastewater treatment facility located in Gunnison, Colorado, serving a population of approximately 9,500. The plant is situated in the Rocky Mountain region, where cold winters and seasonal tourism influence wastewater flows. As a municipal facility, it plays a key role in protecting local water quality in the Gunnison River watershed. Under the U.S. Clean Water Act, plants of this scale are typically required to meet secondary treatment standards through National Pollutant Discharge Elimination System (NPDES) permits issued by the Colorado Department of Public Health and Environment. The facility's treatment processes are designed to comply with state and federal effluent limits, ensuring that discharged water meets regulatory criteria for protecting aquatic life and downstream uses. The plant's treated effluent ultimately reaches the Gunnison River, a tributary of the Colorado River system. This watershed supports diverse aquatic ecosystems, including native trout species, and provides water for agriculture, recreation, and municipal supply downstream. Proper treatment is essential to prevent nutrient pollution and maintain the ecological health of this high-desert river system.
Environmental context
The plant discharges into the Gunnison River basin, which flows into the Colorado River and eventually to the Gulf of California. The watershed supports sensitive aquatic habitats, including cold-water fisheries for trout and other native species. Nutrient loading from wastewater can impact downstream water quality, making effective treatment critical for maintaining ecological balance in this arid region.
Frequently asked questions
Mount Crested Butte WSD is located in Gunnison, Colorado, United States, at North Main Street in Gunnison County.
The plant serves approximately 9,500 people in the Gunnison area, including seasonal visitors to the Crested Butte ski resort.
The plant discharges treated effluent into the Gunnison River basin, which is part of the larger Colorado River system.
The plant operates under the U.S. Clean Water Act, with NPDES permits issued by the Colorado Department of Public Health and Environment, requiring secondary treatment and compliance with effluent limits.
Plants of this size in Colorado typically use secondary treatment processes such as activated sludge or trickling filters, followed by disinfection, to meet state and federal standards for discharge into sensitive mountain streams.
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