Tag: Lake Wallula
  • 23-039 Corps seeks public input for McNary Master Plan revision

    UMATILLA, Ore.– The U.S. Army Corps of Engineers Walla Walla District has prepared a draft McNary Master Plan with an accompanying draft Finding of No Significant Impact (FONSI) and Environmental Assessment (EA) to revise the outdated 1982 McNary Master Plan. The Walla Walla District will be accepting public comments from July 10 through Aug. 10.
  • 22-056 Corps to treat Lake Wallula to control invasive flowering rush

    KENNEWICK, Wash.– The U.S. Army Corps of Engineers’ Walla Walla District will be performing up to eight five-acre treatments in Lake Wallula, the McNary reservoir near Tri-Cities, Washington, with herbicide, Diquat Dibromide, at an application rate of two gallons per surface acre. This effort is to control the invasive aquatic plant species flowering rush.
  • 18-092 Corps water research in Lake Wallula to occur Aug. 20-27

    TRI-CITIES, Wash. – Natural Resource Management staff from the Corps of Engineers Walla Walla District and scientists from the Corps' Engineer Research and Development Center in Vickburg, MS,will conduct research on water exchange rates Aug. 20-27 in the Columbia River upstream of McNary Lock and Dam (Lake Wallula).