Carl Reynolds Jr., 42, of Clifton, was arrested on Wednesday and charged with sexual assault, second- and third-degree assault, obstruction of a telephone and possession of a weapon by a previous offender.
The sexual assault followed a physical assault in which Reynold knocked the victim unconscious, according to the affidavit.
Two area residents are facing charges related to possession of explosives or an incendiary device.
On Monday, Mesa County Sheriffâs Office deputies responded to a call on Orchard Avenue of reports that residents were possibly making a toxic substance by mixing chemicals.
Deputies contacted Robert Blagg, 33, and Sharma Roberts, 44, who lived in an apartment in the area and found three bottles containing an unknown substance. Residents in the area were told to close windows and stay inside.