Regulatory Notices

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US Army Corps of Engineers

Northwestern Division Website

Category: RGP-WA

6 Sep 2026
RGP-08-WA: US Forest Service Aquatic Restoration Program

Expiration date: 11/13/2028
RGP 08 WA: U.S. Forest Service (USFS) Pacific Northwest Region 6 Aquatic Restoration Program in WA, w/ attachments Attachment A: Categories of Authorized Activities Attachment B: Water Quality Certification Attachment C: Coastal Zone Management
6 Sep 2026
RGP-04-WA: Overwater Structures S. Lake Chelan - 401WQCs

Expiration date: 11/10/2026
The U.S. Army Corps of Engineers, Seattle District, Regulatory Branch (Corps) has issued Regional General Permit (RGP) 4 to authorize the maintenance, modification, construction, and retention of overwater structures in Southern Lake Chelan, in Washington State.