Colorado community fights drone weed-killer plan
The gist
Boulder County commissioners voted 2-1 to revive drone spraying of the herbicide indaziflam on about 800 acres.
Residents and one commissioner object, while the county calls it targeted wildfire prevention.
How it unfolded
- 2024A district court granted Boulder County summary judgment on plaintiffs' claims for declaratory relief and mandamus in a 2024 challenge to the weed-management plan.
- May 21, 2026County commissioners voted 2 to 1 to revive the long disputed project, targeting about 800 acres of county open space west of U.S. Highway 36, including part of Heil Valley Ranch.
- Oct 27, 2026A report was published on community outrage over the drone herbicide plan, citing over 800 residents opposed.