Notice Number: 215144 / 27-01 Effective: 02/27/2027 00:00 thru 03/27/2027 23:45 PDT The annual maintenance lock closure for the Walla Walla District, U.S. Army Corps of Engineers is scheduled for…

Notice Number: 215130 / 26=26 Effective: 10/14/2026 06:30 thru 10/14/2026 17:00 PDT The Little Goose navigation lock will be removed from service from 0630 to 1700 on Wednesday, 14 October…

Notice Number: 215055 / 26-25 Effective: 09/14/2026 13:30 thru UNTIL FURTHER NOTICE PDT Vessels transiting the McNary navigation lock at night are notified that lighting on the downstream guide wall…

Notice Number: 215054 / 26-24 Effective: 09/24/2026 07:30 thru 09/25/2026 15:30 PDT There will be slower lockages at the Lower Monumental navigation lock for upbound river traffic on 24 and…

Notice Number: 215019 / 7 Effective: 09/15/2026 00:30 thru 05/14/2027 23:45 PDT Winter Recreational Vessel Lockage Schedule Winter recreational lockage will be made during daylight hours only, on request, at…

Notice Number: 214979 / 26-23 Effective: 09/21/2026 06:30 thru 05/14/2027 19:00 PDT Winter recreational vessel lockages will be made during daylight hours only, on request, at each of the Walla…

Notice Number: 214971 / 26-22 Effective: 09/02/2026 10:00 thru 09/02/2026 15:00 PDT The Little Goose navigation lock will be removed from service from 1000 to 1500 on Wednesday, 2 September…

Notice Number: 214930 / 206-297-9821 Effective: 03/01/2027 06:00 thru 03/30/2027 17:00 PDT To conduct annual maintenance of auxiliary lock chamber. //signed// Hand, Michael R, Lock and Dam Equipment Operator Supervisor…

Notice Number: 214929 / 206-297-9821 Effective: 12/07/2026 07:00 thru 01/18/2027 16:00 PDT To install stop log inserts into existing stop log channels. Underwater work to be performed. //signed// Hand, Michael…

Notice Number: 214851 Effective: 08/06/2026 13:48 thru UNTIL FURTHER NOTICE PDT Bonneville Navigation Lock is returned to service. *** NOTICE TO NAVIGATION INTERESTS*** Bonneville Navigation Lock is returned to service.…