Tesoro RefineryFacility Information
Constructed in 1955, the refinery is located in Skagit County on March Point. It discharges wastewater into Fidalgo Bay. It has the ability to process an average of 105,000 barrels of crude oil each day.
March Point Road
P.O. Box 700
Anacortes, WA 98221
Ecology wastewater and hazardous waste permit contact:
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