GA: ICW miles 576.0 to 713.0, channel conditions
The following ICW channel depth information was taken directly from a U.S. Army Corps of Engineers-Savannah District report dated February 12, 2010. The channel is divided into the West Qtr (Red), Center Line Channel, and East Qtr (Green). East and West Quarter survey lines are measured 45 feet off the centerline of the channel. Depths are given for each section in feet, mlw. Only those areas on the main route that are less than the project depth of 12 feet are listed.
ICW, Mile 576.0 to 576.4, Elba Cut, R2 to R4
Depths are 2.5' MLW red quarter, 5.0' MLW center channel, 10.0' MLW green quarter.
ICW, Mile 576.4 to 576.7, South Channel, R 4 to R6
Depths are 8.0' MLW red quarter, 10.0' MLW center channel, 12.0' MLW green quarter.
ICW, Mile 579.5 to 580.8, Causton Bluff, G25 to R30
Depths are 6.0' MLW red quarter, 9.0' MLW center channel, 9.0' MLW green quarter.
ICW, Mile 580.0 to 582.8, Thunderbolt, R30 to G35
Depths are 8.0' MLW red quarter, 11.0' MLW center channel, 12.0' MLW green quarter
ICW, Mile 589.0 to 591.0, Isle of Hope, R46 to G53
Depths are 11.0' MLW, 12.0' center channel, 11.0' MLW green quarter.
ICW, Mile 591.0 to 594.0, Skidaway Narrows, G53 to G71
Depths are 12.0' MLW red quarter, 12.0' MLW center channel, 10.5' MLW green quarter.
ICW, Mile 594.0 to 597.0, Burnside River, G71 to G79
Depths are 10.5' MLW center, 11.0' MLW center channel, 11.0' MLW green quarter.
ICW, Mile 597.0 to 601.4, Vernon River, G79 to G87
Depths are 10.0' MLW in all sections.
ICW, Mile 601.4 to 602.4, Hells Gate, G87 to R92
Depths are 7.0' MLW red quarter, 6.0' MLW center channel, 5.0' MLW green quarter
ICW, Mile 623.9 to 629.3, Johnson Creek, G125 to G133
Depths are 10.0' MLW red quarter, 11.0' MLW center channel, 9.0' MLW green quarter.
ICW, Mile 639.0 to 640.0, Front River, G151 to G153
Depths are 10.0' MLW red quarter, 12.0' MLW center channel, 11.0' MLW green quarter
ICW, Mile 640.0 to 642.9, Creighton Narrows, G153 to G157
Depths are 7.0' MLW red quarter, 9.0' MLW center channel, 3.0' MLW green quarter.
ICW, Mile 642.9 to 648.2, Old Teakettle Creek, G157 to G175
Depths are 11.0' MLW.
ICW, Mile 649.5 to 651.4, North River, R178 to R182
Depths are 9.0' MLW red quarter, 9.5' MLW center channel, 9.5' MLW green quarter.
ICW, Mile 651.4 to 653.0, Rockedundy River, R182 to R190
Depths are 6.5' MLW red quarter, 6.5' MLW center channel, 6.5' MLW green quarter.
ICW, Mile 653.0 to 656.4, Little Mud River, R190 to R198
Depths are 2.0' MLW red quarter, 3.0' MLW center channel, 2.0' MLW green quarter.
ICW, Mile 656.4 to 660.1, Altamaha Sound, R198 to G213
Depths are 5.0' MLW red quarter, 5.0' MLW center channel, 7.0' MLW green quarter.
ICW, Mile 660.1 to 661.9, Buttermilk Sound, G213 to vicinity DM216A
Depths are 11.0' MLW red quarter, 11.5' MLW center channel, 12.0' MLW green quarter.
ICW, Mile 664.5 to 670.4, MacKay River, G223 to G237
Depths are 8.0' MLW red quarter, 9.0' MLW center channel, 9.0' MLW green quarter.
ICW, Mile 680.9 to 685.9, Jekyll Creek, R 2 to G25
Depths are 0.5' MLW red quarter, 4.0' MLW center channel, 3.0' MLW green quarter.
ICW, Mile 685.9 to 687.1, G25 to G29.
Depths are 11.0' MLW red quarter, 10.5' MLW center channel, 10.0' MLW green quarter.
ICW, Mile 700.0 to 705.0, Cumberland Dividings, R50 to R66
Depths are 8.0' MLW red quarter, 11.0' MLW center channel, 12.0' MLW green quarter.
ICW, Mile 705.0 to 708.0, Cumberland Sound, R66 to R80
Depths are 8.0' MLW red quarter, 8.0' MLW center channel and 9.0' MLW green quarter.
The following ICW channel depth information was taken directly from a U.S. Army Corps of Engineers-Savannah District report dated February 12, 2010. The channel is divided into the West Qtr (Red), Center Line Channel, and East Qtr (Green). East and West Quarter survey lines are measured 45 feet off the centerline of the channel. Depths are given for each section in feet, mlw. Only those areas on the main route that are less than the project depth of 12 feet are listed.
ICW, Mile 576.0 to 576.4, Elba Cut, R2 to R4
Depths are 2.5' MLW red quarter, 5.0' MLW center channel, 10.0' MLW green quarter.
ICW, Mile 576.4 to 576.7, South Channel, R 4 to R6
Depths are 8.0' MLW red quarter, 10.0' MLW center channel, 12.0' MLW green quarter.
ICW, Mile 579.5 to 580.8, Causton Bluff, G25 to R30
Depths are 6.0' MLW red quarter, 9.0' MLW center channel, 9.0' MLW green quarter.
ICW, Mile 580.0 to 582.8, Thunderbolt, R30 to G35
Depths are 8.0' MLW red quarter, 11.0' MLW center channel, 12.0' MLW green quarter
ICW, Mile 589.0 to 591.0, Isle of Hope, R46 to G53
Depths are 11.0' MLW, 12.0' center channel, 11.0' MLW green quarter.
ICW, Mile 591.0 to 594.0, Skidaway Narrows, G53 to G71
Depths are 12.0' MLW red quarter, 12.0' MLW center channel, 10.5' MLW green quarter.
ICW, Mile 594.0 to 597.0, Burnside River, G71 to G79
Depths are 10.5' MLW center, 11.0' MLW center channel, 11.0' MLW green quarter.
ICW, Mile 597.0 to 601.4, Vernon River, G79 to G87
Depths are 10.0' MLW in all sections.
ICW, Mile 601.4 to 602.4, Hells Gate, G87 to R92
Depths are 7.0' MLW red quarter, 6.0' MLW center channel, 5.0' MLW green quarter
ICW, Mile 623.9 to 629.3, Johnson Creek, G125 to G133
Depths are 10.0' MLW red quarter, 11.0' MLW center channel, 9.0' MLW green quarter.
ICW, Mile 639.0 to 640.0, Front River, G151 to G153
Depths are 10.0' MLW red quarter, 12.0' MLW center channel, 11.0' MLW green quarter
ICW, Mile 640.0 to 642.9, Creighton Narrows, G153 to G157
Depths are 7.0' MLW red quarter, 9.0' MLW center channel, 3.0' MLW green quarter.
ICW, Mile 642.9 to 648.2, Old Teakettle Creek, G157 to G175
Depths are 11.0' MLW.
ICW, Mile 649.5 to 651.4, North River, R178 to R182
Depths are 9.0' MLW red quarter, 9.5' MLW center channel, 9.5' MLW green quarter.
ICW, Mile 651.4 to 653.0, Rockedundy River, R182 to R190
Depths are 6.5' MLW red quarter, 6.5' MLW center channel, 6.5' MLW green quarter.
ICW, Mile 653.0 to 656.4, Little Mud River, R190 to R198
Depths are 2.0' MLW red quarter, 3.0' MLW center channel, 2.0' MLW green quarter.
ICW, Mile 656.4 to 660.1, Altamaha Sound, R198 to G213
Depths are 5.0' MLW red quarter, 5.0' MLW center channel, 7.0' MLW green quarter.
ICW, Mile 660.1 to 661.9, Buttermilk Sound, G213 to vicinity DM216A
Depths are 11.0' MLW red quarter, 11.5' MLW center channel, 12.0' MLW green quarter.
ICW, Mile 664.5 to 670.4, MacKay River, G223 to G237
Depths are 8.0' MLW red quarter, 9.0' MLW center channel, 9.0' MLW green quarter.
ICW, Mile 680.9 to 685.9, Jekyll Creek, R 2 to G25
Depths are 0.5' MLW red quarter, 4.0' MLW center channel, 3.0' MLW green quarter.
ICW, Mile 685.9 to 687.1, G25 to G29.
Depths are 11.0' MLW red quarter, 10.5' MLW center channel, 10.0' MLW green quarter.
ICW, Mile 700.0 to 705.0, Cumberland Dividings, R50 to R66
Depths are 8.0' MLW red quarter, 11.0' MLW center channel, 12.0' MLW green quarter.
ICW, Mile 705.0 to 708.0, Cumberland Sound, R66 to R80
Depths are 8.0' MLW red quarter, 8.0' MLW center channel and 9.0' MLW green quarter.
ICW Depths