Overview
Hill N Park STP in Evans, Colorado serves a population of about 9,366. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater facilities.
Hill N Park STP is a wastewater treatment plant located in Evans, Colorado, United States. It serves a population of approximately 9,366 residents in the region. The plant is situated inland, more than 50 kilometers from the coast, and its operations are part of the municipal infrastructure for the area. Under the US Clean Water Act, municipal wastewater treatment plants are required to meet secondary treatment standards, which typically involve biological processes to reduce organic matter and suspended solids. Facilities of this scale in Colorado generally employ conventional activated sludge or similar technologies to comply with state and federal regulations. The treated effluent from Hill N Park STP is discharged into local waterways that ultimately drain into the South Platte River basin. The South Platte River flows through Colorado and Nebraska before joining the Platte River, which empties into the Missouri River and eventually the Mississippi River. This watershed supports diverse aquatic life and provides water for agricultural and municipal uses downstream.
Environmental context
The plant's discharge contributes to the South Platte River watershed, which flows through the Great Plains and supports a variety of fish species and riparian habitats. Downstream, the river is used for irrigation and municipal water supply, making nutrient removal and pathogen control important for protecting water quality and ecosystem health in the region.
Frequently asked questions
Hill N Park STP is located in Evans, Colorado, United States, at 49th Street in Weld County.
The plant serves approximately 9,366 people in the Evans area.
The treated effluent is discharged into local waterways that flow into the South Platte River basin, eventually reaching the Mississippi River system.
As a US municipal wastewater plant, Hill N Park STP operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Colorado Department of Public Health and Environment.
Plants of this scale in Colorado typically use secondary treatment processes such as activated sludge or trickling filters to meet state and federal effluent limits.
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