Regulations last checked for updates: May 06, 2025

Title 33 - Navigation and Navigable Waters last revised: Apr 29, 2025
§ 162.230 - Columbia River, Wash.

(a) Grand Coulee Dam discharge channel; restricted area—(1) The area. That portion of the Columbia River between Grand Coulee Dam (situated at river mile 596.6) and river mile 593.7.

(2) The regulations. (i) No vessel shall enter or navigate within the area without permission from the enforcing agency.

(ii) The regulation in this section shall be enforced by the Chief, Power Field Division, Columbia Basin Project, U.S. Department of the Interior, Coulee Dam, Washington.

authority: 46 U.S.C. 70034; DHS Delegation No. 00170.1, Revision No. 01.3
source: CGD 75-082, 42 FR 51759, Sept. 29, 1977, unless otherwise noted.
cite as: 33 CFR 162.230