A former Eagle County sheriff’s deputy has pleaded not guilty to charges of sexually assaulting a Gypsum woman. 42-year-old Timothy Joseph Hay entered his plea Wednesday. His trial is scheduled for March 23rd. If convicted, he could be sentenced to 4 years to life in prison. He’s free on $15,000 bond. A woman told investigators she was driving Hay home after they had drinks at a bar on September 18th when he asked her to stop at a warehouse. Hay is accused of slamming her head to the ground and sexually assaulting her.