Dallas, SD Radon Levels

Q: What EPA Radon Zone is Dallas in?

Dallas is in Tripp County, EPA Zone 2.

Q: How much does radon mitigation cost in Dallas?

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

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

Dallas, SD Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Tripp County, SD

Zip Code 57529

Set in Tripp County, South Dakota, Dallas occupies the Great Plains where Pierre Shale formations and glacial till create moderate radon potential across the region. Testing data for this zip code 57529 community is currently limited, though the EPA Zone 2 classification suggests moderate radon levels. Homeowners should test their properties, particularly older structures with basements common in this south-central South Dakota farming community.

Dallas, 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 Dallas, SD

What EPA Radon Zone is Dallas in?

Dallas and the 57529 zip code are in Tripp 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 Dallas?

Radon mitigation in Dallas 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 Dallas?

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