Ignacio Town of Wastewater Treatment Plant, Colorado | Secondary Treatment

The Ignacio Town of wastewater treatment plant is located in Ignacio, Colorado, a small community in La Plata County. The plant serves a population of 752 and provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal wastewater facilities of this scale. As a secondary treatment plant, it uses biological processes to remove organic matter and suspended solids. The plant has a designed capacity of 151.42 million gallons per year, and its discharge volume matches this capacity, indicating full utilization. It operates under the US EPA National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. The plant discharges treated wastewater into a local water body that eventually flows into the San Juan River basin, part of the Colorado River system. This region is ecologically significant, supporting diverse aquatic life and providing water for agriculture and communities downstream. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting the local watershed.

The plant discharges into a tributary of the San Juan River, which flows into the Colorado River and ultimately to the Gulf of California. The Colorado River basin supports a variety of fish species and is a critical water source for the arid Southwest. Secondary treatment reduces organic pollutants and nutrients, helping to prevent eutrophication and maintain water quality in this sensitive desert ecosystem.