The Tennessee Valley Authority is performing an automation testing on spillway gates 1-26, closest to Wilson Lock, 7 a.m. to 7 p.m. CST Oct. 20, 2021. Per notice to Navigation 21-33, Wilson Lock will be closed to allow these gates to operate. Call John Barker with TVA at 423-240-6373 regarding the spillway test. Wilson Lock is located at Tennessee River mile 256.4 in Florence, Alabama.