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      Belle Fourche, SD Radon Levels

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

      Belle Fourche, SD Radon Facts

      EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
      County Butte County, SD
      Zip Code 57717
      Avg. User Level 20.00 pCi/L
      User Tests 1

      Belle Fourche in Butte County shows concerning radon levels with a reading of 20.0 pCi/L, five times higher than the EPA's 4.0 pCi/L action threshold. This western South Dakota community sits near the Black Hills region where uranium-bearing formations in underlying bedrock contribute to elevated radon production. Residents of zip code 57717 should prioritize radon testing and mitigation given this significantly elevated reading.

      20.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Belle Fourche, SD Radon Mitigation

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

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      Belle Fourche, SD Radon Levels

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

      Radon LevelCityHome AgeFoundation
      20 pCi/L Belle Fourche, SD 51-99 Years Full Basement

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

      Radon FAQ for Belle Fourche, SD

      What is the average radon level in Belle Fourche, SD?
      Based on 1 user-submitted test, the average radon level in Belle Fourche is 20.00 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 Belle Fourche in?
      Belle Fourche and the 57717 zip code are in Butte County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
      How much does radon mitigation cost in Belle Fourche?
      Radon mitigation in Belle Fourche 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 Belle Fourche?
      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 South Dakota

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

      CityAvg User Radon LevelSubmissions
      Spearfish 7.75 pCi/L 4
      Rapid City 10.50 pCi/L 2
      Aberdeen 8.50 pCi/L 2
      Sioux Falls 6.00 pCi/L 2
      Watertown 6.00 pCi/L 2

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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