In August 2025, six lives were lost on a Colorado dairy farm as a result of a tragic accident involving exposure to hydrogen sulfide, or H2S. This loss has shaken not only the families, but also the victims’ local Weld County communities.
Four of the victims were employees of HPR, or High Plains Robotics, a dairy equipment company based in Johnstown, Colo. – one of several outside contractors whom the dairy hires to service its equipment. Jorge Sanchez Pena, 36, was a service manager. Alejandro Espinoza Cruz, 50, and Carlos Espinoza Prado, 29, were service technicians. Oscar Espinoza Leos, 17, was an intern. The other two victims were employees of the dairy where the accident occurred.
“Losing these guys is something we have felt and grieved every day since the accident,” says Kevin Fiske, owner of HPR. “As a local, family-owned company, we have never been through anything like this, and the families they have left behind have been first and foremost on our minds.”…