Pierre, SD Radon Levels

Q: What EPA Radon Zone is Pierre in?

Pierre is in Hughes County, EPA Zone 1.

Q: How much does radon mitigation cost in Pierre?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Pierre, SD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Hughes County, SD

Zip Code 57501

As South Dakota's capital city in Hughes County, Pierre sits in EPA Zone 1 where uranium-bearing soils and Pierre Shale formations create high radon potential throughout the region. The city's mix of government buildings, historic homes, and modern residential developments all face elevated radon risk. With testing data limited in zip code 57501, both homeowners and renters should conduct radon testing to ensure safe indoor air quality.

Pierre, 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 Pierre, SD

What EPA Radon Zone is Pierre in?

Pierre and the 57501 zip code are in Hughes 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 Pierre?

Radon mitigation in Pierre 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 Pierre?

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.

City	Avg User Radon Level	Submissions
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