Post-fire aerial herbicide treatment planned on Prineville District
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Central Ore. -- The Bureau of Land Management (BLM), Prineville District Office will soon begin aerial spraying of the herbicide imazapic on 370 acres of land burned by the 2020 White River Fire. This area is located ten miles west of Maupin, Oregon.
Application is weather dependent and may occur anytime between September 27, 2021, and October 6, 2021. It is expected to take one day to complete.
All public entrances to these lands will be posted with herbicide and specific closure information prior to spraying. For safety, members of the public should stay out of this area during spraying and for 12 hours after spraying is complete.
The spraying will treat noxious weeds and invasive non-native weeds. A pre-burn analysis of the area indicated that one third of the approximately 1,100 acres of BLM-managed land burned in the wildfires was infested by noxious and invasive annual grasses. The analysis determined that the entire project area would be infested in seven years if left untreated.
All treatments would be designed to minimize impacts to other resources such as water, wilderness, wildlife, and recreation. No herbicide will be applied within 100 feet of the White River.
Brand names of the herbicide imazapic include Plateau, Panoramic 2SL, and Nufarm 2SL.
For more information, please call the project lead, Larry Ashton, at (541) 416-6738. Project maps are available upon request from the Prineville District Office by calling (541) 416-6700.
The BLM manages more than 245 million acres of public land located primarily in 12 western states, including Alaska, on behalf of the American people. The BLM also administers 700 million acres of sub-surface mineral estate throughout the nation. Our mission is to sustain the health, diversity, and productivity of America’s public lands for the use and enjoyment of present and future generations.