Overview
OTHELLO SEWAGE LAGOONS serves Adams County, Washington, treating wastewater for approximately 7,420 people. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal facilities of this scale.
OTHELLO SEWAGE LAGOONS is a municipal wastewater treatment facility located in Adams County, Washington, United States. The plant serves a population of approximately 7,420 residents, classifying it as a small to medium-sized facility within the state's wastewater infrastructure. As a U.S. facility, the plant operates under the Clean Water Act, administered by the Environmental Protection Agency (EPA) and delegated to the Washington State Department of Ecology. For plants serving around 7,400 people, secondary treatment is typically required to meet National Pollutant Discharge Elimination System (NPDES) permit limits, ensuring protection of receiving waters. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Columbia River Basin. The Columbia River system supports diverse aquatic life, including salmon runs, and is a critical water resource for the Pacific Northwest region. Proper treatment helps maintain water quality in this ecologically significant basin.
Environmental context
The plant discharges into the Columbia River Basin, a major watershed that flows through Washington and Oregon before reaching the Pacific Ocean. This basin supports critical salmon and steelhead habitats, as well as other native fish species. The region's semi-arid climate means water quality and availability are important for both ecological health and agricultural use downstream.
Frequently asked questions
OTHELLO SEWAGE LAGOONS is located in Adams County, Washington, United States.
The plant serves approximately 7,420 people in the Adams County area.
The plant discharges treated effluent into the local watershed, which is part of the Columbia River Basin.
As a U.S. facility, it operates under the Clean Water Act and is subject to NPDES permits issued by the Washington State Department of Ecology.
Plants of this size typically require secondary treatment under the Clean Water Act, which includes biological processes to reduce organic matter and suspended solids.
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