This $6 million project consisted of designing and installing 11 new PIT Tag monitoring antennas into the existing spillway ogee. The antennas monitor the juvenile fish passing over the spillway. This work required major demolition of the existing concrete spillway ogee and embedding the new antennas into the concrete and pouring concrete over the top. Project also included designing and installing of the monitoring building, equipment and control system next to the spillway. Work completed early 2020.
USACE, Walla Walla District