Wounded Knee, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Wounded Knee in?

Wounded Knee is in Shannon County, EPA Zone 2.

Q: How much does radon mitigation cost in Wounded Knee?

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

Shannon County

EPA Zone 2

Wounded Knee, SD resides in Shannon 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. Testing is recommended for all homes in the 57794 zip code area.

Wounded Knee, SD Radon Mitigation

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

Wounded Knee, SD Radon Testing

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

Wounded Knee Radon Facts

Key details about the radon risk profile for Wounded Knee and the 57794 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Shannon County, SD

Zip Code

57794

Predicted Screening Level

2–4 pCi/L (Zone 2)

Wounded Knee and the 57794 zip code are located in Shannon County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Wounded Knee, SD

What EPA Radon Zone is Wounded Knee in?

Wounded Knee and the 57794 zip code are in Shannon 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 Wounded Knee?

Radon mitigation in Wounded Knee 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 Wounded Knee?

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