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Comment Period

US Bureau of Reclamation, Grand Coulee Dam

Air Quality Notice of Construction application – Opportunity to request a public comment period

February 4, 2019 - February 19, 2019

The U.S. Bureau of Reclamation, Grand Coulee Dam, applied to Ecology to update a pair of air quality Approval Orders issued in the 1990s. The application includes an update to the maintenance paint booths, and the addition of blasting and painting activities performed on-site that were not previously evaluated for Approval Orders.

Ecology plans to approve the application. We will hold a public comment period on a draft approval order ("air permit") that includes these changes only if a written request is received by email or letter by Feb. 19, 2019.

View the Bureau's notice of construction application.


A notice of construction permit is required before installing a new source of air pollution or modifying an existing source of air pollution.  This permit is sometimes called a "pre-construction permit" because a business must have one before starting construction or operating their business.

A notice of construction air permit limits the amount of air pollutants a business can emit.

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Robert Koster, Environmental Engineer
4601 North Monroe St., Spokane, WA 99205

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