Overview
Castle Dale wastewater treatment plant serves approximately 3,080 residents in Emery County, Utah. The facility operates under the U.S. Clean Water Act, with state-issued NPDES permits governing its discharge.
Castle Dale wastewater treatment plant is located in Emery County, Utah, serving a small community of about 3,080 people. The plant is situated inland, far from coastal waters, and discharges into local waterways that ultimately drain into the Colorado River Basin. As a small municipal facility in the United States, Castle Dale operates under the regulatory framework of the Clean Water Act, administered by the Utah Department of Environmental Quality. Plants of this scale typically employ secondary treatment or equivalent processes to meet state and federal effluent standards. The facility's design capacity and treatment process details are not publicly available, but it is expected to comply with NPDES permit requirements. The treated effluent from Castle Dale enters local streams that flow into the San Rafael River, a tributary of the Green River, which joins the Colorado River. The Colorado River Basin supports diverse aquatic life and provides water for agriculture, recreation, and municipal use across several states. Proper wastewater treatment at Castle Dale helps protect downstream water quality and ecosystem health.
Environmental context
Castle Dale's treated wastewater discharges into local ephemeral streams that feed the San Rafael River, part of the Colorado River Basin. The Colorado River system is a critical water source for the arid southwestern United States, supporting endangered fish species like the Colorado pikeminnow and razorback sucker. The plant's inland location and small population served reduce its direct impact on sensitive aquatic habitats, but maintaining treatment standards is essential for downstream water quality.
Frequently asked questions
Castle Dale wastewater treatment plant is located in Emery County, Utah, United States, serving the small community of Castle Dale.
The plant serves approximately 3,080 residents in the Castle Dale area of Emery County, Utah.
The treated effluent from Castle Dale is discharged into local streams that flow into the San Rafael River, a tributary of the Green River in the Colorado River Basin.
As a U.S. facility, Castle Dale operates under the Clean Water Act, with NPDES permits issued by the Utah Department of Environmental Quality to regulate its discharges.
Small municipal plants in the U.S. typically use secondary treatment processes such as activated sludge or lagoon systems to meet EPA effluent guidelines and state water quality standards.
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