WELD COUNTY, Colo. (KRDO) – The U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) is citing three companies, proposing nearly $250,000 in fines after an investigation found that exposure to hazardous gas killed six workers at a Weld County dairy farm last year.
On Aug. 20, 2025, fire crews were dispatched to the Prospect Ranch in Keenesburg for a confined space rescue. When they arrived, personnel discovered six people dead at the scene, including one teenager.
The Weld County coroner’s office ultimately determined all six people had died of hydrogen sulfide gas exposure. However, the autopsy reports gave little indication of the circumstances of those deaths, only describing an industrial accident in a confined space of the dairy farm…