Tyndall, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Tyndall in?

Tyndall is in Bon Homme County, EPA Zone 1.

Q: How much does radon mitigation cost in Tyndall?

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

Bon Homme County

EPA Zone 1

Located in Bon Homme County within EPA Zone 1, Tyndall sits in an area where South Dakota's Pierre Shale formation creates elevated radon potential throughout the region. Although testing data for the 57066 area is currently limited, the geological conditions strongly suggest homeowners should prioritize radon testing. Many local homes feature full basements built into these uranium-bearing shale deposits, creating ideal conditions for radon accumulation.

Tyndall, SD Radon Mitigation

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

Tyndall, SD Radon Testing

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

Tyndall Radon Facts

Key details about the radon risk profile for Tyndall and the 57066 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Bon Homme County, SD

Zip Code

57066

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Tyndall and the 57066 zip code are located in Bon Homme 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 Tyndall, SD

What EPA Radon Zone is Tyndall in?

Tyndall and the 57066 zip code are in Bon Homme 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 Tyndall?

Radon mitigation in Tyndall 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 Tyndall?

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