Is radon a problem in Iowa? According to the EPA, the entire state of Iowa is considered at high risk for radon gas in homes. High levels of radon can be found in any type of home, so it is important for everyone to test their home.
Is radon common in Iowa? The Iowa Radon Survey has indicated that Iowa has the largest percentage (or 71.6%) of homes above the US Environmental Protection Agency action level of 4pCi/L. It is also designated by the US EPA as an entirely zone 1 state, which means that at least 50% of the homes are above US EPA’s recommended action level.
Why is radon so high in Iowa? Iowa has the highest average indoor radon concentration in the nation due to our glacial history. As the glaciers came over Iowa, they deposited finely ground rocks that contain radium. Because the rocks that make up our soils are so finely ground, they have a large surface area to emit radon gas.
How much does a radon mitigation system cost in Iowa? The cost of a radon mitigation system installed by a certified Iowa contractor is comparable to the price of other home improvements or maintenance; ranging from $800 to $2,500, depending on the characteristics of the home and choice of radon reduction methods.