Overview
Roseburg Urban Sanitary Authority serves 23,500 residents in Roseburg, Oregon, treating municipal wastewater under U.S. Clean Water Act regulations. The plant discharges into the South Umpqua River, a tributary of the Umpqua River system.
The Roseburg Urban Sanitary Authority is a municipal wastewater treatment facility located in Roseburg, Oregon, serving a population of approximately 23,500. Situated in Douglas County, the plant is part of the region's infrastructure for managing domestic and industrial wastewater from the community. Under the U.S. Clean Water Act, plants of this scale are typically required to meet secondary treatment standards through National Pollutant Discharge Elimination System (NPDES) permits issued by the Oregon Department of Environmental Quality. These permits set effluent limits to protect water quality in the receiving water body. The plant discharges treated wastewater into the South Umpqua River, which flows into the Umpqua River and eventually reaches the Pacific Ocean. The Umpqua River basin supports diverse aquatic life, including salmon and steelhead trout, making water quality management critical for downstream ecosystems.
Environmental context
The South Umpqua River, receiving the plant's discharge, is a major tributary of the Umpqua River, which drains into the Pacific Ocean near Winchester Bay. The watershed supports ecologically sensitive habitats for anadromous fish species such as Chinook salmon and steelhead trout. Maintaining low nutrient and pollutant loads is essential to prevent eutrophication and protect spawning grounds in the river system.
Frequently asked questions
The plant is located at 3492 West Goedeck Avenue in Roseburg, Douglas County, Oregon, United States.
The plant serves approximately 23,500 residents in the Roseburg urban area.
The treated wastewater is discharged into the South Umpqua River, which flows into the Umpqua River and eventually reaches the Pacific Ocean.
As a U.S. facility, it operates under the Clean Water Act, with NPDES permits issued by the Oregon Department of Environmental Quality to ensure compliance with secondary treatment standards.
Plants of this scale in the U.S. typically employ secondary treatment processes, such as activated sludge or trickling filters, to meet EPA effluent guidelines for biological oxygen demand and suspended solids.
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