After more than 25 years of planning and preparation, replacement of the 109-year-old Dog River pipeline is underway. Contractors are clearing timber from the site while the new pipe sits ready for installation.
Monday return largest single-day crossing since count began Portland, Ore. - Since Sunday, more than 180,354 adult fall Chinook have climbed the fish ladders at Bonneville Lock and Dam on their annual migration into the Columbia River Basin.
The U.S. Army Corps of Engineers will offer regularly scheduled tours of The Dalles Dam May 24 and May 25 and has scheduled additional tours on Monday to celebrate Memorial Day. Tours begin at 10 a.m. and 2 p.m.
The U.S. Army Corps of Engineers will offer regularly scheduled tours of The Dalles Dam May 24 and May 25 and has scheduled additional tours Monday to celebrate Memorial Day.
While investigations are continuing to identify the extent and cause of a 65-foot-long crack across a Wanapum Dam spillway pier monolith, fishery experts, engineers and others are scurrying to assure passage for fast-approaching salmon spawners.
Pacific lamprey migrating up the Columbia River will find their route past McNary Lock and Dam a bit easier to travel, thanks to a prototype lamprey-passage structure installed in the downstream end of the Oregon shore fish ladder, U.S. Army Corps of Engineers officials announced this week.