Erwin, SD Radon Levels

Q: What EPA Radon Zone is Erwin in?

Erwin is in Kingsbury County, EPA Zone 1.

Q: How much does radon mitigation cost in Erwin?

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

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

Erwin, SD Radon Facts

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

County Kingsbury County, SD

Zip Code 57233

Located in Kingsbury County within South Dakota's prairie region, Erwin sits on glacial drift deposits over sedimentary bedrock formations that can contribute to radon production. The area's predominantly agricultural landscape features scattered farmsteads and rural homes, many with basements built into the fertile glacial soils. Testing data for the 57233 area remains unavailable, making professional radon assessment important for residents seeking to understand their property's specific risk profile.

Erwin, 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 Erwin, SD

What EPA Radon Zone is Erwin in?

Erwin and the 57233 zip code are in Kingsbury 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 Erwin?

Radon mitigation in Erwin 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 Erwin?

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