Overview
Fremont SD Rainbow Park WWTP serves approximately 41,090 people in Fremont County, Colorado. The plant discharges treated wastewater into the Arkansas River basin, supporting local water quality.
Fremont SD Rainbow Park WWTP is a municipal wastewater treatment facility located in Fremont County, Colorado, serving a population of about 41,090. The plant is situated in a semi-arid region at the foothills of the Rocky Mountains, where water resources are critical for both ecological and human uses. As a medium-sized agglomeration in the United States, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Colorado Department of Public Health and Environment. These permits set effluent limits to protect water quality in the receiving waters. Plants of this scale typically employ secondary treatment as a minimum, with potential for advanced treatment to meet local standards. The plant's treated effluent ultimately drains into the Arkansas River watershed, which flows through Colorado, Kansas, Oklahoma, and Arkansas before reaching the Mississippi River and the Gulf of Mexico. The Arkansas River supports diverse aquatic life and provides water for agriculture, recreation, and municipal supply. The plant's operations are crucial for maintaining the ecological health of this important river system.
Environmental context
The plant discharges into the Arkansas River basin, a major tributary of the Mississippi River that flows to the Gulf of Mexico. The Arkansas River in Colorado supports species such as the Arkansas darter and provides habitat for migratory birds. Downstream, the river is used for irrigation and drinking water, making nutrient and pollutant control essential for preventing eutrophication and protecting aquatic ecosystems.
Frequently asked questions
The plant is located on County Road 119 in Fremont County, Colorado, near the town of Florence. It serves the surrounding communities in Fremont County.
The plant serves approximately 41,090 people, classifying it as a medium-sized agglomeration under US EPA guidelines.
The plant discharges treated effluent into the Arkansas River basin, which flows through multiple states before reaching the Gulf of Mexico. The discharge is regulated under an NPDES permit to protect water quality.
The plant operates under the US Clean Water Act and is subject to NPDES permits issued by the Colorado Department of Public Health and Environment. These permits set limits on pollutants to protect the Arkansas River.
Plants of this scale in Colorado typically use secondary treatment, such as activated sludge or trickling filters, and may include nutrient removal to meet state standards for nitrogen and phosphorus.
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