Overview
Yakima Regional POTW serves over 105,000 people in Yakima, Washington. The plant operates under the US Clean Water Act, treating municipal wastewater before discharge into the Yakima River basin.
Yakima Regional POTW is a publicly owned treatment works serving the city of Yakima in Washington state, with a population equivalent of over 105,000. The facility is located in Yakima County and is part of the regional wastewater infrastructure for the Yakima Valley. As a large municipal treatment plant in the United States, Yakima Regional POTW operates under the National Pollutant Discharge Elimination System (NPDES) permit program established by the Clean Water Act. For plants of this scale, secondary treatment is typically required, and more advanced treatment may be necessary to meet water quality standards for the receiving water body. The plant discharges treated effluent into the Yakima River, which flows through central Washington and eventually joins the Columbia River. The Yakima River basin supports diverse aquatic life, including salmon and steelhead, and is an important agricultural and ecological resource in the region.
Environmental context
The Yakima River is a major tributary of the Columbia River, flowing through arid and semi-arid regions of central Washington. The river supports critical habitat for several fish species, including Chinook salmon and steelhead trout, which are important for both ecological health and regional fisheries. The plant's discharge must meet stringent water quality standards to protect these downstream ecosystems.
Frequently asked questions
Yakima Regional POTW is located at 2220 East Viola Avenue in Yakima, Washington, USA.
The plant serves a population of approximately 105,141 people in the Yakima area.
The plant discharges treated effluent into the Yakima River, which flows into the Columbia River.
As a US municipal wastewater plant, it operates under the Clean Water Act and is regulated by an NPDES permit issued by the Washington State Department of Ecology.
For large agglomerations like this, secondary treatment is standard, and tertiary treatment may be required to meet water quality standards for sensitive water bodies.
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