Mesa County Lower Valley PID Wastewater Treatment Plant, Mack, Colorado

Mesa County Lower Valley PID is a municipal wastewater treatment plant located in Mack, Colorado, within Mesa County. The facility serves a small population of 439 residents, providing secondary treatment to meet local sanitation needs. As a plant in the United States, it operates under the Clean Water Act, which requires secondary treatment for municipal discharges to surface waters. The plant's treatment process is secondary, which typically involves biological treatment to remove organic matter and suspended solids. With a designed capacity of 283.91 units and an average daily discharge of 155.20 units, the facility operates below its capacity, indicating room for future growth or seasonal variations. The plant's discharge volume is regulated under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Colorado Department of Public Health and Environment. The treated effluent from Mesa County Lower Valley PID is discharged into a local water body, likely a tributary of the Colorado River system. The Colorado River Basin is a critical water resource in the arid Western United States, supporting agriculture, recreation, and ecosystems. The plant's secondary treatment helps protect downstream water quality in this sensitive watershed.

The plant discharges into a local water body that ultimately drains into the Colorado River, a major river system in the southwestern United States. The Colorado River supports diverse aquatic life and provides water for millions of people and agricultural lands. Secondary treatment reduces organic pollutants and suspended solids, helping to maintain water quality in this arid region where water resources are highly valued.