Related Links

Bonneville Dam photo.  Courtesy of Bonneville Power Administration.

Transboundary Gas Group
(Link currently inactive)

February 11, 2008: EPA formally approves the Washington State Surface Water Quality Standards

February 8, 2008: Washington State Department of Ecology Gas Abatement Plan Approval (PDF)

Supplement letter to the Gas Abatement Plan (PDF)

Oregon Department of Environmental Quality (Oregon waiver, water quality standards, etc.)

Ecology's expectations for calculating TDG:

Water Quality Team
(Link currently inactive)






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Last updated July 2012