Industrial Section

Industrial Section

Tesoro Refinery

Comment Period

The Dept of Ecology (Ecology) invites you to comment on the revised draft National Pollutant Discharge Elimination System wastewater permit for the Tesoro refinery in Anacortes. The comment period runs October 29 - December 1, 2014.

Ecology held a comment period on the proposed renewal of this permit May 29 - July 29, 2013. We made significant changes to the draft permit based on comments received and a ruling by the Pollution Controls Hearing Board. We're accepted comments only on these changes. For more information, read the: Support documents from the May 29 - July 29, 2013 comment period on the draft permit include: Location & History

Constructed in 1955, the refinery is located in Skagit County on March Point. It discharges wastewater into Fidalgo Bay.


The refinery has capacity to process an average of 105,000 barrels per day of crude oil.

Major Products
  • Gasoline
  • Diesel oil
  • Turbine and jet fuel
  • Liquid petroleum gas
  • Residual fuel oil
Facility Site Number: 6

Location and Mailing address

    Anacortes Refinery
    March Point Road
    Post Office Box 700
    Anacortes, WA 98221
Air Operating permit: Northwest Clean Air Agency has jurisdiction.
Website, phone number: (360) 428-1617, (800) 622-4627

RCRA Permit: WAD-009-275-082, contact Ann Lowe, (360) 407-6916 to review this permit

Ecology wastewater and hazardous waste permit contact:
For more info visit the Company Website

Facility 24 hr Contact Number:
    (360) 293-9119