Maps of Dillingham, AK
Dillingham Prep Info
Hypack File
Civil 3D File
Pre and Post Dredge Surveys
Single Beam Survey Performed in Support of Dredging Operations

Scope of Project

Hughes & Associates has provided the pre and post dredge condition surveys for the yearly dredging operations in Dillingham since 1999. The pre dredge survey usually is performed the first half of May, while the post dredge survey takes place the beginning of June. Approximately 95,000 cubic yards of material are removed from the project area annually through the use of a suction dredge.

About the Harbor

Dillingham Harbor is located 330 miles southwest of Anchorage in Dillingham, Alaska at the confluence of the Nushagak River and Bristol Bay. The harbor is approximately 700 feet north to south and 400 feet east to west with a 350 foot entrance channel in the southwest corner. It is home to up to 400 fishing vessels that participate in the Bristol Bay Fisheries.

Hughes & Associates 2014