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NOTICE TO NAVIGATION INTERESTS | ||||||||
| ROCK ISLAND DISTRICT | DATE: | 09/22/2025 | NOTICE NUMBER: 211996 | ||||||
| ATTN: CEMVR-DE CLOCK TOWER BLDG. - RODMAN AVE ROCK ISLAND IL 61299 HTTP://WWW.MVR.USACE.ARMY.MIL/ |
POC: |
LOCAL NUMBER: MR 25-211996 WATERWAY: Upper Mississippi River Pool 20, Upper Mississippi River Pool 19, Upper Mississippi River Pool 18, Upper Mississippi River Pool 17, Upper Mississippi River Pool 16, Upper Mississippi River Pool 15, Upper Mississippi River Pool 21, Upper Mississippi River Pool 22, Upper Mississippi River Pool 14, Upper Mississippi River Pool 13, Upper Mississippi River Pool 12, Upper Mississippi River Pool 11 EFFECTIVE: 12/15/2025 07:00 thru 03/14/2026 08:00 CST |
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| ________________________________________________________________________________________________________________________ | |||||||||
| UPPER MISSISSIPPI WINTER LOCKAGE HOURS Lock & Dam No. 11, UMR 583.0 THROUGH Lock & Dam No. 22, UMR 301.2 | |||||||||
Locks 21 and 22 will be staffed to lock traffic 24 hours a day, 7 days a week pending river conditions.
Lock 19 will be closed to navigation from 1100 on 15 Dec 2025 through 1100 on 14 Mar 2026. Refer to separate Navigation Notice.
Locks 11, 12, 13, 14, 15, 16, 17, 18 & 20 will be staffed to lock traffic between 0800 and 1600, Monday through Friday during the period from 15 December 2025 through 14 March 2026.
Tows requiring lockage outside of these hours must contact the Lockmaster in advance so that lock operators can be called in to operate the lock. Winter conditions will dictate whether a lockage may be accomplished, as well as any necessary restrictions.
Operational Aspects: Rake to box ice couplings the entire width of the tow, at break points of the tow, will be required when ice is present at the lock. Double tripping and use of industry helper boats during ice conditions will be required if proper couplings are not accomplished prior to arrival at the locks. Failure to have the tow configured properly may result in loss of lock turn. Tow configuration to ice couplings shall not be accomplished at the lock or lock approach. |
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| //signed// Barnes, Andrew G, Chief, Lock and Dam Section Mississippi River Project |