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Navigation Notices

The Portland District releases Navigation public notices for events like lock closures, scheduled maintenance and other navigable waterway information. Information presented here is a collection of navigation-related public notices that may be posted elsewhere on this site.

Navigation public notices

Environmental Scoping Opens Through Oct. 3, 2017 for Port of Coos Bay’s Proposed Channel Modification

PORTLAND, Ore. – The U.S. Army Corps of Engineers is opening a public scoping phase in the preparation of a comprehensive environmental impact statement to evaluate the effects of the Oregon International Port of Coos Bay’s proposed modifications to the Federal Navigation Channel.

John Day Dam’s navigation lock reopens to river traffic; other locks still on track with previously announced schedules

The navigation lock at John Day Dam, near Rufus, Oregon, reopened to river traffic late Saturday night, U.S. Army Corps of Engineers officials in the Portland District announced.

Summer Recreational Vessel Lockage Schedule Begins May 15

May 15 marks the start of the summer schedule for recreational boaters using navigation locks to travel past U.S. Army Corps of Engineers dams on the Columbia and Snake rivers.

Corps awards The Dalles navigation lock contract

The Corps has awarded a $10.5 million contract to a Vancouver, Washington, company to increase navigation lock reliability and safety at The Dalles Lock and Dam.

Corps releases final Environmental Assessment for Columbia River navigation channel maintenance

The final environmental assessment for continued maintenance of the Columbia River federal navigation channel is available. The maintenance includes placement of dredged material on the eastern shoreline of Rice Island and re-handling material at an in-water site near Howard Island.

Corps announces Columbia River winter recreational vessel lockage schedule

The U.S. Army Corps of Engineers begins its winter recreational vessel lock schedule for its Columbia River dams Sept. 15.

Corps seeks comments on draft environmental assessment for Columbia River navigation channel maintenance

The U.S. Army Corps of Engineers is seeking public comments on a draft environmental assessment for continued maintenance of the Columbia River Federal Navigation Channel.

Columbia River summer recreational lockage schedule begins May 15

May 15 marks the start of the summer schedule for recreational boaters using navigation locks to travel past U.S. Army Corps of Engineers dams on the Columbia and Snake rivers.

Critical repairs beginning at MCR North Jetty

The U.S. Army Corps of Engineers is staging equipment and material at the North Jetty in Cape Disappointment State Park, Washington, to repair the 100-year-old navigation structure. The fenced area near and on the North Jetty is an active construction site and should be avoided.

Winter lockage schedule begins Sept. 16

The Corps of Engineers begins its winter recreational vessel lock schedule for its Columbia River dams Sept. 16, when recreational vessels may lock through on request only during daylight hours.

Bonneville Lock and Dam navlock visitor center closes July 28

Bonneville Lock and Dam’s Navigation Lock Visitor Center will close July 28 due to construction at the navigation lock; it isn't expected to re-open during the 2014 recreation season.

Summer recreational vessel lockage schedule begins May 15

May 15 marks the start of the summer schedule for recreational boaters using navigation locks to travel past U.S. Army Corps of Engineers dams on the Columbia and Snake rivers.

Columbia-Snake River navigation locks close for annual maintenance in March

Eight navigation locks on the Columbia and Snake rivers close to all river traffic at 6 a.m. Sat., March 1, 2014; scheduled re-opening is planned for March 15 for Columbia River locks and March 22 for Snake River locks.

Corps announces Columbia River winter recreational vessel lockage schedule

The winter recreational vessel lock schedule for Columbia River dams began Sept. 16 and will continue through May 14, 2014 at the Bonneville, The Dalles and John Day locks. Recreational vessels may lock through on request during daylight hours only.

Columbia River dredging begins

The U.S. Army Corps of Engineers began dredging in the lower Columbia River recently. Operations at the mouth of the river will start between June 20 and July 1.

Corps reminds mariners to avoid pile dikes

The U.S. Army Corps of Engineers advises boaters and commercial mariners to be aware that some Columbia River pile dikes may be underwater.

Corps' summer recreational lockage schedule begins May 15

Announcing the Summer 2013 recreational lock schedule for the navigation locks along the Columbia River, effective May 15, 2013.

Bonneville, The Dalles and John Day navigation locks re-open early after annual maintenance

The navigation locks at Bonneville, The Dalles and John Day will re-open at 5 p.m. today, the U.S. Army Corps of Engineers announced. The Corps closes its navigation locks on the Columbia and Snake rivers each March to conduct annual inspections, repairs and maintenance.

Low water levels near John Day Dam expected in early March

Water levels upstream of the John Day Dam are expected to be lower than normal between March 1 and March 8, the U.S. Army Corps of Engineers announced.

Columbia-Snake River navigation locks to close for annual maintenance in March

Portland District’s Bonneville, The Dalles and John Day navigation locks at Columbia River miles 145, 191 and 216, respectively, will close March 2 at 6 a.m. and reopen March 16 at 11:59 p.m.

The Dalles navigation lock to close for repairs

The U.S. Army Corps of Engineers will close The Dalles navigation lock between 6 a.m. Dec. 5 and 6 p.m. Dec. 7 for repairs to its downstream gate. Navigation locks at Bonneville and John Day dams will remain open for normal operations.

Corps announces Columbia River winter recreational vessel lockage schedule

The U.S. Army Corps of Engineers began the winter recreational vessel lock schedule for its Columbia River dams Sept. 16.

Corps releases jetty rehabilitation report

This report outlines plans for major rehabilitation of jetty system at the Mouth of the Columbia River.