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RAPIDRegulatory and Permitting Information Desktop Toolkit
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Washington Hydropower Waste & Hazardous Material Assessment(18-WA)

In Washington, a hydropower developer may need to consider waste and hazardous material storage and disposal. A developer may need an Underground Storage Tank Permit from the Washington Department of Ecology for the use of a tank to store petroleum and other regulated substances, not classified as hazardous waste.

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Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.