Estelline, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Estelline in?

Estelline is in Hamlin County, EPA Zone 1.

Q: How much does radon mitigation cost in Estelline?

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

Hamlin County

EPA Zone 1

Located in Hamlin County on the South Dakota prairie, Estelline sits atop glacial till deposits that can trap and concentrate radon gas from uranium-bearing bedrock below. The community's older housing stock, including many homes with full basements built in the early-to-mid 1900s, creates conditions where radon can accumulate. Given the limited testing data available for zip code 57234, local homeowners are encouraged to test their properties to determine actual radon levels.

Estelline, SD Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Estelline, SD Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Estelline Radon Facts

Key details about the radon risk profile for Estelline and the 57234 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Hamlin County, SD

Zip Code

57234

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Estelline and the 57234 zip code are located in Hamlin County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Estelline, SD

What EPA Radon Zone is Estelline in?

Estelline and the 57234 zip code are in Hamlin 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 Estelline?

Radon mitigation in Estelline 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 Estelline?

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 with the most user-submitted radon test data in the state.

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