COLUMBIA RIVER - CHINOOK CHANNEL
General / Marine Construction (Excluding Bridges) / Dredging
HME Construction Inc will be performing clamshell dredging and dump scow disposal operations near Chinook Channel from 01 Nov – 01 Dec 2026, working 7 days a week 24 hours a day. Dredging will extend from the South of East Sand Island up to the entrance of Chinook harbor. Two separate dredge spoil placement sites will be located south of the Columbia River (46-14.96N 123-58.23W and 46-14.76N 123-58.46W). Vessels include Dredge Boat Sea Horse, one split-hull dump scow, Tug Terilyn and support tug Douglas, monitoring VHF Channels 13, 16, 67, 68, or 69. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made. For additional information, please contact HME Project Manager at 503-250-1827 or 360-904-2978. USACE Contracting Officers Representative is Nathan Miller, 360-899-8223.
Position 46-16.02N 123-57.37W
USCG Northwest District Local Notice to Mariners 44/2026