Fayette county is located in Western Pennsylvania, and shares borders with Maryland and West Virginia to the south. Radon levels in Fayette county are lower than other counties in the state of Pennsylvania. Fayette county has an average radon level of 4.2, which is only .2 above the EPA recommended action level. Although radon levels are lower, radon testing is still vital to the safety of Fayette county homes. Fayette county has a population of over 139 thousand people within 60 thousand households. Founded in 1783, Fayette county is named after Marquis De Lafayette. Fayette county only has 1 colleges, and is made up of 8 different school districts. The chart below depicts radon levels above 4 in Fayette county, as well as radon below 2 pCi/L.