SCDOT and National Guard deploy an AquaDam® on U.S. 17 in Georgetown on Sept. 25, 2018. Water levels on the Waccamaw River continue to rise, potentially flooding U.S. 17 and cutting off access to coastal areas. (Photos by Cody Crouch/SCDOT)

SCDOT and National Guard deploy an AquaDam® on U.S. 17 in Georgetown on Sept. 25, 2018. Water levels on the Waccamaw River continue to rise, potentially flooding U.S. 17 and cutting off access to coastal areas. (Photos by Cody Crouch/SCDOT)

SCDOT and National Guard deploy an AquaDam® on U.S. 17 in Georgetown on Sept. 25, 2018. Water levels on the Waccamaw River continue to rise, potentially flooding U.S. 17 and cutting off access to coastal areas. (Photos by Cody Crouch/SCDOT)

Army National Guard Specialist Bennie Cumbee from Andrews, SC, is monitoring the water pumps being used for the AquaDam® on U.S. 17 in Georgetown on Sept. 25, 2018. The water pumps are connected to overflow from the Waccamaw River. (Photos by Cody Crouch/SCDOT)