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Chester, SD Radon Levels

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


Chester, SD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Lake County, SD
Zip Code 57016

Chester in Lake County, South Dakota, falls within EPA Zone 1, indicating high radon potential common to much of the upper Midwest. Located in zip code 57016, this rural community lacks sufficient testing data to establish local radon patterns. Given South Dakota's glacial geology and the state's elevated radon risk, professional testing is strongly recommended for all area homes.

Chester, 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 Chester, SD

What EPA Radon Zone is Chester in?
Chester and the 57016 zip code are in Lake 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 Chester?
Radon mitigation in Chester 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 Chester?
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