Navigation Notice: Upper Mississippi River

Melvin Price Locks & Dam - Main Lock
Upper Mississippi River Mile 200.5


NOTICE NUMBER: 18112 / 18087-1 / 22-01a
EFFECTIVE: 01/19/2022 20:00 thru 01/21/2022 13:00 CST


  1. The Main Lock Chamber at Melvin E. Price Locks and Dam has reopened for navigation.  Divers were able to clear the obstruction, a piece of timber, and the lock re-opened at 1300 today, 21 January 2022.
  2. All navigation interest should be alert for, and abide by, any special instructions that may be issued by the Lockmaster.




Andrew C. Schimpf, P.E.
Rivers Project Manager