Here's what Denver metro counties will do after state's COVID-19 dial goes away Jefferson County Public Health and Tri-County Public Health outlined a regional plan, while Douglas County has opted out. Author: Jennifer Campbell-Hicks Updated: 4:26 PM MDT April 13, 2021 JEFFERSON COUNTY, Colo. — Jefferson County Public Health (JCPH) and the Tri-County Health Department (TCHD) released some details on Tuesday on how the Denver metro area will move forward with pandemic restrictions after the mandatory statewide COVID-19 dial comes to an end. Many county health departments throughout the state are issuing their own guidance as the state executive order mandating that counties adhere to the limits set out by Dial 3.0 ends on Friday.