As an as-needed survey provider for the US Army Corps of Engineers, GFA has the equipment and expertise to assist you in coping with fluctuating water levels.

GFA feature project - the NMC Maritime Academy vessel basin
GFA’s shoreline projects range from small residential to ones as large as marinas (such as the boat basin at the NMC Maritime Academy.

Services include structural engineering, hydrographic surveying, plans and specs, permitting, construction observation, and more. If you’re experiencing problems associated with changing lake levels contact us today.

For tight spaces GFA's remote-control Echoboat is the perfect data collection tool.
GFA’s EchoBoat collecting data along a shoreline with submerged trees and branches.
GFA’s EchoBoat collecting data around and under a low bridge.