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Morristown, SD Radon Levels

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


Morristown, SD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Corson County, SD
Zip Code 57645

Remote Morristown in northwestern South Dakota's Corson County sits in the Great Plains where Pierre Shale formations can contribute to radon concerns despite the rural setting. Though testing data for zip code 57645 remains unavailable, the area's geological characteristics warrant individual home assessments. Ranch-style homes and agricultural properties common to this region may have varying foundation types that influence radon accumulation patterns.

Morristown, SD Radon Mitigation

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

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Radon FAQ for Morristown, SD

What EPA Radon Zone is Morristown in?
Morristown and the 57645 zip code are in Corson 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 Morristown?
Radon mitigation in Morristown 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 Morristown?
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