Notice Number: 23-23

In accordance with Section 7-11 of the ACF Master Water Control Manual and the Jim Woodruff Lock and Dam and Lake Seminole Water Control Manual (Appendix A) dated March 2017, a 7-foot navigation channel will be supported via water releases on the ACF during the months of January through May when the composite storage for the system is in Zones 1 and 2.

Below is a link to a graphic showing the ACF composite storage above Zone 1, indicating sufficient water is available to continue supporting navigation. The composite storage graphic, which is updated weekly, can be viewed at the following website:


A 7.4 foot Blountstown gage is needed to provide a 7-foot channel on the Apalachicola River. River stages for the ACF system can be viewed at:


Commercial mariners should schedule lockage appointments at the Jim Woodruff Lock by calling (850) 663-4692 or (229) 723-3482. George W. Andrews and Walter F. George Locks remain closed due to mechanical failures.

Navigation Bulletins will be issued on a monthly and as-needed basis throughout the navigation season. Please direct any questions to Ashley Kleinschrodt at (251) 694-3726.


Ashley Kleinschrodt
Chief, Navigation Section