Notice to Navigators: Columbia/Snake River System
AMENDMENT TO NAVIGATION NOTICE 16731-1, 22-02a, 2022 WALLA WALLA AND PORTLAND DISTRICT
ANNUAL NAVIGATION LOCK MAINTENANCE OUTAGE
Notice number: 19009/16731-3
Date: 03/28/2022 thru 04/02/2022
The annual maintenance lock closure for Walla Walla and Portland Districts, Corps of Engineers is scheduled for February and March 2022. Maintenance, inspection, and repair work will take place at the locks during the closure.
The Locks and Dams have also scheduled non-routine work. The non-routine work includes gate cleaning and realignment, structural inspections and repairs, structural weld repairs, and equipment/machinery repair and replacement.
Locks will be out of service during the dates and times specified in the table below:
February 2022 - March 2022 Navigation Lock Maintenance Closure
The Lower Monumental navigation lock is returned to service.
The Lower Granite navigation lock is returned to service.
All Walla Walla District locks are now in service. Lower Granite and Little Goose lock users are experiencing slower lockages per previously issued navigation notices.
This is a Columbia/Snake River System navigation outage. For additional information regarding Portland District (NWP) lock maintenance closures, contact the Portland District Operations Division at (503) 808-5419. For additional information regarding Walla Walla District (NWW) maintenance activities you may contact Operations Division at (509) 527-7364.
Navigation Business Line Manager
Walla Walla District