Conconully Safety of Dams Modification Project Environmental Assessment

Draft Environmental Assessment

Conconully Dam, Okanogan Project, Washington

Aerial View of Conconully Dam, Okanogan Project, Washington

The Bureau of Reclamation is seeking public comment on the draft environmental assessment for the Conconully Safety of Dams Modification project. The public comment period is open for 30 days from June 10 to July 10, 2025.

During the comment period, the public can provide input and participate in the draft EA review and comment process through two in-person public meetings. The meetings will include an open house, presentation, and opportunities for the public to submit comments. Reclamation subject matter experts will be available to answer questions.

  • In-person meeting: June 25 from 10 a.m. to 12 p.m. PDT at the Conconully Community Town Hall, 219 N. Main Street, Conconully, WA 98819.
  • In-person meeting: June 25 from 6 to 8 p.m. PDT at the Okanogan County PUD Auditorium, 1331 2nd Avenue N., Okanogan, WA 98840.

A virtual public meeting room website is accessible 24 hours a day. Visitors can view information about the project, read frequently asked questions, and submit comments. The virtual public meeting room website is available here.

Comments can be submitted during the in-person meetings, via email at bor-sha-consod@usbr.gov, through the virtual public meeting room website, or by postal mail. Written comments can be sent to Jason Sutter, Reclamation NEPA lead, Bureau of Reclamation, Columbia–Pacific Northwest Region, 1150 Curtis Road, Boise, ID 83706-1234. Comments must be submitted/post-marked by July 10.

Draft Environmental Assessment
6/2025 Conconully Safety of Dams Modification Project Draft Environmental Assessment PDF 48.8MB
Resource Impact Analysis Memos
6/2025 Air Quality Memo PDF 330KB
6/2025 Geology Memo PDF 221KB
6/2025 Land Use Memo PDF 205KB
6/2025 Public Health and Safety Memo PDF 2.58MB
6/2025 Socioeconomics Memo PDF 292KB
6/2025 Transportation Memo PDF 213KB
6/2025 Utilities Memo PDF 2.19MB
6/2025 Vibration Memo PDF 2.54MB
Scoping
10/2024 Conconully Safety of Dams Modification Project Draft Environmental Assessment Scoping Summary Report PDF 3.52MB
News Releases
6/2025 Conconully Safety of Dams Modification Project Draft Environmental Assessment News Release
8/2024 Conconully Safety of Dams Modification project news release
Conconully Safety of Dams
National Environmental Policy Act

Contact

Keenan Arnold
Regional Safety of Dams Coordinator
208-378-5246
karnold@usbr.gov

Columbia–Pacific Northwest Region
Bureau of Reclamation
1150 N Curtis Road
Boise, Idaho 83706-1234


Last Update: 6/10/25