Fairfield WWTF - Wastewater Treatment Plant in Fairfield, Montana

Fairfield Wastewater Treatment Facility (WWTF) is a municipal wastewater treatment plant located in Fairfield, Teton County, Montana. Serving a population of 708, the plant is a small-scale facility that manages the community's wastewater needs. The plant is situated in the rural agricultural region of north-central Montana, near the Teton River watershed. Fairfield WWTF provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater treatment. The plant has a designed capacity of 382.33 million gallons per year and currently discharges 268.76 million gallons annually. As a small agglomeration, the plant is subject to EPA National Pollutant Discharge Elimination System (NPDES) permitting, which sets effluent limits to protect water quality. The treated effluent from Fairfield WWTF is discharged into the local watershed, which drains into the Teton River and eventually the Missouri River. The Missouri River is a major tributary of the Mississippi River system, ultimately reaching the Gulf of Mexico. The plant's discharge contributes to the water quality of these downstream water bodies, supporting aquatic life and agricultural uses in the region.

Fairfield WWTF discharges into the Teton River watershed, which flows into the Missouri River, a major tributary of the Mississippi River system. The receiving waters support diverse aquatic life and are used for irrigation and recreation. The plant's secondary treatment helps reduce nutrient loads and organic pollutants, protecting downstream ecosystems in the Missouri River basin.