Overview
Big Sky CO WandS DIST is a wastewater treatment plant serving approximately 3,000 residents in Big Sky, Montana. It operates under the US Clean Water Act framework for small mountain communities.
Big Sky CO WandS DIST is a municipal wastewater treatment facility located in Big Sky, Gallatin County, Montana. The plant serves a population of about 3,000, reflecting the scale of this mountain resort community. As a small agglomeration in a high-altitude environment, the plant plays a critical role in protecting local water quality. The plant operates under the US Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all wastewater discharges. For small communities like Big Sky, typical treatment includes secondary treatment or advanced lagoon systems to meet state and federal standards. The plant's design capacity and treatment process are tailored to the seasonal population fluctuations common in ski resort areas. The treated effluent is discharged into the Gallatin River watershed, which flows into the Missouri River and ultimately the Mississippi River system. The Gallatin River is a renowned blue-ribbon trout stream, supporting diverse aquatic life and providing critical habitat for native fish species. Protecting this watershed is essential for downstream ecosystems and recreational uses.
Environmental context
The plant discharges into the Gallatin River watershed, a tributary of the Missouri River. The Gallatin River is a high-quality coldwater fishery supporting trout and other sensitive aquatic species. Downstream, the Missouri River flows into the Mississippi River, eventually reaching the Gulf of Mexico. The plant's location in a mountainous region requires careful management to prevent nutrient pollution and maintain water quality in this ecologically sensitive area.
Frequently asked questions
The plant is located in Big Sky, Gallatin County, Montana, in the Rocky Mountain region of the United States.
The plant serves approximately 3,000 residents, reflecting the small mountain community it supports.
The plant discharges treated effluent into the Gallatin River watershed, which flows into the Missouri River and eventually the Mississippi River system.
The plant operates under the Clean Water Act, requiring an NPDES permit that sets limits on pollutants to protect water quality in the Gallatin River.
Small communities in Montana often use secondary treatment systems such as lagoons or activated sludge, designed to meet state and federal standards for nutrient removal and pathogen control.
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