Slower Lockages at Lower Monumental Navigation Lock

Navigation Notice: 206656/24-06
Date: 04/15/2024 15:00 thru 04/19/2024 00:00

The maintenance crew at Lower Monumental Lock and Dam plans to remove tainter valve #4, a fill valve, from service beginning 0800 on Monday 15 April 2024 to perform maintenance work on the valve. Work on the valve is estimated for completion by 1700 on Thursday 18 April 2024.

River users should expect lockages to require an additional 15-20 minutes until this work is completed.


Lower Monumental Lock and Dam - Snake River Mile 41.6

For additional information on this work contact the NWW Operations Division at (509) 527-7364.