Overview
ADRIAN STP is a secondary wastewater treatment plant serving 140 people in Adrian, Oregon. It discharges treated wastewater into local waterways, operating under U.S. EPA and Oregon DEQ regulations.
ADRIAN STP is a municipal wastewater treatment facility located in Adrian, Oregon, a small community in Malheur County. The plant serves a population of approximately 140 residents, reflecting its role as a small-scale treatment facility in a rural setting. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater. It has a designed capacity of 128.70 thousand gallons per day and currently discharges 37.85 thousand gallons per day, indicating operational capacity well below design limits. As a U.S. facility, it operates under a National Pollutant Discharge Elimination System (NPDES) permit issued by the Oregon Department of Environmental Quality, ensuring compliance with federal water quality standards. The treated effluent is discharged to local surface waters, likely tributaries of the Snake River basin, which ultimately drains to the Columbia River and the Pacific Ocean. The plant's operations help protect downstream water quality in an arid region where water resources are critical for agriculture and ecosystems.
Environmental context
ADRIAN STP discharges into local waterways within the Snake River basin, which flows into the Columbia River and then the Pacific Ocean. The region is semi-arid, and the Owyhee River system supports diverse aquatic life and irrigated agriculture. The plant's secondary treatment reduces organic pollutants and suspended solids, helping maintain water quality in a watershed that is ecologically sensitive due to limited water availability.
Frequently asked questions
ADRIAN STP is located on Owyhee Street in Adrian, Malheur County, Oregon, United States.
The plant serves a population of approximately 140 residents in the small community of Adrian, Oregon.
ADRIAN STP provides secondary treatment, which is the standard required by the U.S. Clean Water Act for municipal wastewater.
The plant discharges treated effluent to local surface waters within the Snake River basin, which flows to the Columbia River and the Pacific Ocean.
As a U.S. facility, ADRIAN STP operates under the Clean Water Act and is regulated by an NPDES permit issued by the Oregon Department of Environmental Quality.
Nearby plants