Overview
Calhan WWTP is a secondary treatment plant serving approximately 900 people in Calhan, Colorado. It discharges treated wastewater into local waterways, supporting the region's water quality.
Calhan WWTP is a municipal wastewater treatment facility located in Calhan, El Paso County, Colorado. It serves a small community of around 900 residents, providing essential sanitation services for this rural area. The plant employs secondary treatment, which is the standard biological treatment process required by the US Clean Water Act for municipal wastewater. With a designed capacity of 302.83 cubic meters per day and a current discharge volume of 189.27 cubic meters per day, the facility operates well within its capacity. The treated effluent is discharged into local surface waters, which eventually drain into the Arkansas River basin. This contributes to the protection of downstream ecosystems and water quality in the region, supporting aquatic life and recreational uses.
Environmental context
The plant discharges into local streams that are part of the Arkansas River watershed, which flows through Colorado, Kansas, and Oklahoma before reaching the Mississippi River. The region's semi-arid climate makes water quality management critical for sustaining aquatic habitats and agricultural water supplies downstream.
Frequently asked questions
Calhan WWTP is located in Calhan, El Paso County, Colorado, United States, near US 24 and CO 4.
The plant serves a population of approximately 900 people in the Calhan community.
The plant discharges treated effluent into local surface waters that are part of the Arkansas River basin.
Calhan WWTP provides secondary treatment, which is the standard required by the US Clean Water Act for municipal wastewater.
As a US plant, Calhan WWTP operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Colorado Department of Public Health and Environment.
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