Overview
Florence STP serves approximately 6,865 residents in Florence, Oregon. The plant operates under U.S. Clean Water Act regulations, discharging treated wastewater to the Siuslaw River estuary near the Pacific coast.
Florence STP is a municipal wastewater treatment facility located at 844 Rhododendron Drive in Florence, Lane County, Oregon. The plant serves a population of about 6,865 people, placing it in the small-to-medium agglomeration category. Its location near the Oregon coast places it within a sensitive estuarine environment. As a U.S. facility, Florence STP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting. Plants of this scale typically employ secondary treatment as a minimum standard. The designed capacity is 1.00 million gallons per day, indicating the plant is sized for the community's needs. The plant's treated effluent is discharged into the Siuslaw River, which flows into the Pacific Ocean via the Siuslaw estuary. This estuary supports diverse aquatic life, including salmon runs and migratory birds. The plant's proximity to the coast underscores the importance of effective nutrient removal to protect downstream water quality and marine ecosystems.
Environmental context
Florence STP discharges into the Siuslaw River, a coastal river that empties into the Pacific Ocean through the Siuslaw estuary. The estuary is an ecologically sensitive area that provides critical habitat for Chinook salmon, steelhead trout, and numerous bird species. The plant's location within 50 km of the coast means its discharge can influence nearshore marine water quality, making nutrient management and pathogen control important for protecting the downstream environment.
Frequently asked questions
Florence STP is located at 844 Rhododendron Drive in Florence, Lane County, Oregon, United States.
The plant serves approximately 6,865 people in the Florence area.
The plant discharges treated effluent into the Siuslaw River, which flows into the Pacific Ocean via the Siuslaw estuary.
As a U.S. facility, Florence STP operates under the Clean Water Act and is regulated through an NPDES permit issued by the Oregon Department of Environmental Quality.
Plants of this scale in the U.S. typically provide secondary treatment as a minimum, which includes biological processes to remove organic matter and suspended solids. Some may also incorporate advanced treatment for nutrient removal if required by the receiving water body.
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