FY26 Willapa Bay Maintenance Dredging

and Federal Navigation Channels to their authorized depths. Up to 180,000 CY is expected to be dredged across the three features via mechanical clamshell dredging. The minimum required dredging depth varies from -10 ft (Bay Center and Nahcotta) to -15 ft (Tokeland), MLLW, +2 ft overdepth at each loc

ation. In addition, dredging approximately 10,000 CY to a minimum depth of -9 ft MLLW (+1 ft overdepth) may be required in the Bay Center/Palix River Access Lane to ensure sufficient water depths for the dredge, scow, and tugboats to transi