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  • Spill operations for temperature control delayed at Detroit Dam: City of Salem requested delay to allow for testing of new toxin detection equipment

    The U.S. Army Corps of Engineers (Corps) will again delay spill operations for temperature control to allow the City of Salem time to implement and train personnel on new equipment and treatment options designed to better test and prevent toxins from entering Salem’s water treatment facility.

  • Corps drills into Cottage Grove Dam during geotechnical investigation

    The U.S. Army Corps of Engineers’ Dam Safety team is conducting a geotechnical investigation at Cottage Grove Dam near Eugene, Ore., beginning Thursday, which includes drilling borings in the dam embankment.

  • Protecting and restoring the Oregon State Flower

    Land managers in the South Willamette Valley have discovered a disturbing trend on the properties they manage: Oregon grape plants are being illegally harvested in large numbers, presumably to sell for the herbal properties of their roots.

  • Rain is good news for Corps reservoirs

    Although snowpack levels are still below normal according to the National Resources Conservation Service, the U.S. Army Corps of Engineers Portland District doesn’t solely depend on snowpack to fill its reservoirs.

  • Corps drills into Cottage Grove Dam during geotechnical investigation

    The U.S. Army Corps of Engineers Dam Safety Team is conducting a geotechnical investigation at Cottage Grove Dam, which includes boring into the dam. Cottage Grove Dam is located on the Coast Fork of the Willamette River south of Eugene, Ore.

  • Ongoing improvements for fish passage at Foster Dam to close road

    The U.S. Army Corps of Engineers will close the road on top of Foster Dam, Sweet Home, Oregon, to remove a large crane, Dec. 4-29. During this time, Foster Dam Road will be closed to all vehicle and pedestrian traffic. For a time, the Corps used the crane and elevator system, which was innovative for its time, for adult fish collection and passage over Foster Dam; however, the equipment wasn’t fully successful in moving fish above the dam in an efficient manner. Corps biologists concluded there were better options.

  • Corps seeks Willamette Valley reservoir storage reallocation study review

    The U.S. Army Corps of Engineer’s system of 13 dams and reservoirs in the Willamette River Basin’s primary purpose is flood risk management. However, Oregon residents benefit from reservoir water in a variety of other ways, including hydropower generation and recreation. The Corps is in the process of determining if a reallocation of water storage could grant municipal and industrial water supply, irrigation and fish and wildlife better access to the stored water.

  • Big Cliff Reservoir levels to decrease for sediment sampling

    Water levels at Big Cliff Reservoir will be lower Oct. 13-27 to allow the U.S. Army Corps of Engineers to conduct sediment sampling. The Corps is collecting the sediment samples as part of a Remedial Investigation to determine the nature and extent of any contaminants in the immediate area. Corps employees discovered construction debris during an emergency reservoir drawdown in 2009 and have conducted several smaller sampling events since that time.

  • Corps reservoirs benefit Willamette Valley swallows

    An unladen purple martin swallow can reach the air-speed velocity of about 24 miles per hour, which may be important information if you’re trying to cross the ‘Bridge of Death’ as you search for the Holy Grail. It’s also probably impossible for that 1.7-ounce bird to carry a 1.2-kilogram coconut, even if he gripped it by the husk (we are checking with the engineering department though).

  • Corps, ODFW sign hatchery contracts

    The U.S. Army Corps of Engineers issued two contracts recently to the Oregon Department of Fish and Wildlife for the operation of five hatcheries and the production of salmon and steelhead to offset impacts of the Corps’ dams in Oregon.