Overview
Garibaldi STP is a secondary wastewater treatment plant serving 1,373 people in Garibaldi, Oregon. Located within 10 km of the Pacific coast, it discharges treated effluent into the local watershed.
Garibaldi STP is a municipal wastewater treatment facility serving the small coastal community of Garibaldi, Oregon, in Tillamook County. The plant provides secondary treatment for a population of 1,373, with a designed capacity of 1,892.70 cubic meters per day and an average discharge volume of 821.43 cubic meters per day. As a secondary treatment plant, Garibaldi STP meets the minimum requirements under the U.S. Clean Water Act for municipal wastewater treatment. The plant operates under a National Pollutant Discharge Elimination System (NPDES) permit issued by the Oregon Department of Environmental Quality, which sets effluent limits to protect water quality. The plant discharges treated wastewater into a local waterway that drains to the Pacific Ocean. The coastal location means the discharge enters a sensitive marine environment, where nutrients and pollutants can impact nearshore ecosystems, including shellfish beds and salmon habitat that are vital to the region's ecology and economy.
Environmental context
Garibaldi STP discharges into the Tillamook Bay watershed, which flows into the Pacific Ocean. The bay supports diverse aquatic life, including salmon, steelhead, and shellfish, and is an important migratory corridor for seabirds. The plant's coastal proximity requires careful management of nutrients and pathogens to protect marine water quality and public health.
Frequently asked questions
Garibaldi STP is located at 231 South 7th Street in Garibaldi, Oregon, United States, within Tillamook County.
The plant serves a population of 1,373 people in the coastal community of Garibaldi.
The plant provides secondary treatment and discharges treated effluent into a local waterway that drains to Tillamook Bay and ultimately the Pacific Ocean.
As a U.S. municipal wastewater plant, Garibaldi STP operates under the Clean Water Act and is regulated by an NPDES permit issued by the Oregon Department of Environmental Quality.
Small plants serving around 1,400 people typically use secondary treatment, such as activated sludge or lagoon systems, to meet EPA effluent guidelines under the Clean Water Act.
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