Notes
Email exchange between Washington State Department of Ecology staff (Paula Ehlers, Tom Luster, Raymond Hellwig) regarding the legal and policy basis for 401 water quality certification requirements related to the Port of Seattle’s third runway proposal and Des Moines Creek. The correspondence debates the interpretation of antidegradation provisions under water quality standards and whether a single 401 permit can require an applicant to restore beneficial uses to a waterbody that is already impaired beyond the project’s direct impacts. Luster outlines two scenarios for addressing water quality standards in Des Moines Creek under 401 review authority.
