Collbran WWTP - Secondary Wastewater Treatment in Collbran, Colorado

Collbran WWTP is a municipal wastewater treatment facility located in Collbran, Colorado, a small town in Mesa County. The plant serves a population of 620 and is part of the region's infrastructure for managing domestic wastewater in a rural, inland setting. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal facilities. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 726.80 thousand cubic meters per year and currently discharges 302.83 thousand cubic meters annually. The treated effluent is discharged into a local waterway that ultimately drains into the Colorado River basin. This watershed supports diverse aquatic life and is an important water resource for the arid Western United States. The plant's operation helps protect downstream water quality in the Colorado River system.

Collbran WWTP discharges into a tributary of the Colorado River basin, which flows through the arid landscapes of western Colorado and into the Colorado River. This river system is a critical water source for agriculture, municipalities, and ecosystems across multiple states. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting the ecological health of the downstream riverine environment and supporting species such as native fish and riparian vegetation.