Water Releases: ACF River System

Notice Number: 24-16
Date: January thru May

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:


Jim Woodruff Lock is closed to traffic through 31-May-24 for lock valve and upper miter gate repairs (reference Navigation Bulletin 23-86). The lock will be available at intermittent times for critical and emergency lockages. Please contact the George Andrews Lock at (229) 723-3482 to schedule a critical and/or emergency lockage or to get more information on the closure of Woodruff. 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 Herbert Bullock at (251) 694-3703.


Herbert M. Bullock
Chief, Navigation Section