Overview
ESTACADA STP is a municipal wastewater treatment plant serving approximately 2,250 residents in Estacada, Oregon, United States. The facility discharges into the local watershed within the Clackamas River basin.
ESTACADA STP is a municipal wastewater treatment plant located in Estacada, Clackamas County, Oregon, United States. The facility serves a population of approximately 2,250 residents, placing it in the small-agglomeration category under U.S. regulatory frameworks. As a U.S. plant, ESTACADA STP operates under the Clean Water Act, administered by the Oregon Department of Environmental Quality. Facilities of this scale typically employ secondary treatment to meet National Pollutant Discharge Elimination System (NPDES) permit requirements, ensuring compliance with water quality standards for the receiving water body. The plant's treated effluent is discharged into the Clackamas River watershed, which flows into the Willamette River and ultimately the Columbia River. This drainage system supports diverse aquatic life, including salmon and steelhead populations, making effective wastewater treatment critical for regional ecosystem health.
Environmental context
ESTACADA STP discharges into the Clackamas River basin, a tributary of the Willamette River, which joins the Columbia River before reaching the Pacific Ocean. The Clackamas River provides habitat for threatened salmonids and supports recreational uses. The plant's location in a forested, mountainous region means the watershed is sensitive to nutrient loading and temperature changes, requiring careful management of effluent quality.
Frequently asked questions
ESTACADA STP is located in Estacada, Clackamas County, Oregon, United States, near Southwest Lake Shore Drive.
The plant serves approximately 2,250 residents, classifying it as a small municipal wastewater treatment facility.
The plant discharges treated effluent into the Clackamas River watershed, which flows into the Willamette River and then the Columbia River.
As a U.S. facility, ESTACADA STP operates under the Clean Water Act and is regulated by the Oregon Department of Environmental Quality through an NPDES permit.
Small plants in the U.S. typically use secondary treatment processes, such as activated sludge or lagoon systems, to meet NPDES permit limits for biochemical oxygen demand and total suspended solids.
Nearby plants