Glencross, SD Radon Levels

Q: What EPA Radon Zone is Glencross in?

Glencross is in Dewey County, EPA Zone 2.

Q: How much does radon mitigation cost in Glencross?

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

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

Glencross, SD Radon Facts

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

County Dewey County, SD

Zip Code 57630

This rural community in Dewey County sits in west-central South Dakota, where EPA Zone 2 classification indicates moderate radon potential across the region. The area's Pierre Shale formation and glacial deposits create geological conditions that can support radon gas production and accumulation in homes. With limited testing data available for zip code 57630, local residents should prioritize radon testing to determine their specific exposure levels.

Glencross, 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 Glencross, SD

What EPA Radon Zone is Glencross in?

Glencross and the 57630 zip code are in Dewey 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 Glencross?

Radon mitigation in Glencross 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 Glencross?

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