Environmental Group Sues Boulder County Over Aerial Herbicide Spraying Plans
Grounds for Action, an environmental group, has filed a lawsuit against Boulder County, Colorado, seeking to halt the county's plans for aerial herbicide applications at three open space properties: Heil Valley Ranch’s Red Hill area, Hall Ranch, and Rabbit Mountain. The lawsuit, filed under the Endangered Species Act, names the Boulder County commissioners and Boulder County Parks and Open Space Director Jason Seuc as defendants. The group is concerned about the potential harm to the Preble’s meadow jumping mouse, a species protected under the Endangered Species Act. The county plans to use drones to apply indaziflam, an herbicide, to target invasive cheatgrass, which county staff describe as a widespread weed that can suppress native species and create a fire hazard. Grounds for Action is requesting a 90-day suspension of the program to allow the court to hear the case, and if denied, plans to seek an emergency order to pause applications. The lawsuit alleges that indaziflam remains active in the soil for...