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      Inwood, IA Radon Levels

      Check local Inwood radon levels and find certified testing and mitigation professionals to keep your home safe

      Inwood, IA Radon Facts

      EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
      County Lyon County, IA
      Zip Code 51240
      Avg. User Level 18.00 pCi/L
      User Tests 1

      Northwestern Iowa's Inwood, located in Lyon County, sits on glacial till deposits that create some of the highest radon potential in the Midwest. Testing data from zip code 51240 shows an alarming average of 18.0 pCi/L, dramatically exceeding the EPA action level and ranking among Iowa's highest recorded readings. Residents should immediately test their homes and implement mitigation systems given these extreme levels.

      18.00
      pCi/L average
      Above EPA Action Level

      Based on 1 user-submitted radon test for homes in Inwood, IA. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Inwood, IA Radon Mitigation

      Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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      Inwood, IA Radon Levels

      User-submitted radon test readings from homes in the Inwood area.

      Radon LevelCityHome AgeFoundation
      18 pCi/L Inwood, IA 21-50 Years Partial Basement

      Have a radon test result for Inwood? Submit your reading to help other homeowners.

      Radon FAQ for Inwood, IA

      What is the average radon level in Inwood, IA?
      Based on 1 user-submitted test, the average radon level in Inwood is 18.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
      What EPA Radon Zone is Inwood in?
      Inwood and the 51240 zip code are in Lyon County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
      How much does radon mitigation cost in Inwood?
      Radon mitigation in Inwood typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
      Should I test for radon if I'm buying a home in Inwood?
      Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

      Most Active Radon Markets in Iowa

      Cities in Iowa with the most user-submitted radon test data, ranked by number of submissions.

      CityAvg User Radon LevelSubmissions
      Waterloo 8.50 pCi/L 4
      Ames 9.67 pCi/L 3
      Fairfield 14.00 pCi/L 2
      Mount Pleasant 12.00 pCi/L 2
      Ottumwa 5.50 pCi/L 2
      Iowa City 7.00 pCi/L 1
      Muscatine No submissions 0

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578

      A licensed contractor will contact you immediately.

      * Required