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      Spencer, IA Radon Levels

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

      Spencer, IA Radon Facts

      EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
      County Clay County, IA
      Zip Code 51301
      Avg. User Level 14.00 pCi/L
      User Tests 1

      Located in Clay County in northwestern Iowa, Spencer has recorded an average radon level of 14.0 pCi/L based on limited testing data, significantly exceeding the EPA action threshold and highlighting the need for prompt radon mitigation. The area's glacial till deposits over limestone bedrock create ideal conditions for radon gas production and accumulation in area homes. Properties throughout this rural community, from historic downtown buildings to modern suburban developments, should prioritize immediate radon testing and professional mitigation when readings exceed safe levels.

      14.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Spencer, IA Radon Mitigation

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

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      Spencer, IA Radon Levels

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

      Radon LevelCityHome AgeFoundation
      14 pCi/L Spencer, IA 51-99 Years Full Basement

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

      Radon FAQ for Spencer, IA

      What is the average radon level in Spencer, IA?
      Based on 1 user-submitted test, the average radon level in Spencer is 14.00 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 Spencer in?
      Spencer and the 51301 zip code are in Clay 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 Spencer?
      Radon mitigation in Spencer 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 Spencer?
      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