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Latest News Releases
Winter recreational lock schedule begins September 30 on Lower Columbia
9/24/2021
Motorized recreational boaters needing to pass through the three lower Columbia River dams need to do so during daylight hours only, on request, starting September 30, 2021 through May 15, 2022...
We … want … a shrubbery … or some volunteers to plant shrubberies
9/10/2021
The U.S. Army Corps of Engineers invites volunteers who aren’t afraid of the “Knights who say Ni” or shrubberies (Monty Python and the Holy Grail movie reference) to help it celebrate National Public...
Out-of-season outage closes The Dalles Dam navigation lock
9/9/2021
An out-of-season outage will close The Dalles Dam’s navigation lock, Sept. 14-15, 2021. A specialized U.S. Army Corps of Engineers rope-access (climbing) inspection team will be performing an...
Channels
Columbia - Lower Willamette
Old Mouth of the Cowlitz River
Vancouver to The Dalles
Wahkiakum Ferry
Westport Slough
Related ...
USACE Navigation Data Center
U.S. Coast Guard Navigation Center
U.S. Coast Guard 13th District
USGS: current Oregon streamflows
USGS real-time hydrologic data
USGS: Coastal circulation, sediment
National Ocean Service
National Data Buoy Center
Tillamook Bay National Estuary
National Estuary Program
Navigation Information Connection
Institute for Water Resources
Order waterways system fact cards
Dredge operations: research, env.
West Coast wave data
Waterways experiment station