Wounded Knee, SD Radon Levels

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.

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

Wounded Knee, SD Radon Facts

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

County Shannon County, SD

Zip Code 57794

Historic Shannon County community Wounded Knee sits within South Dakota's Pine Ridge region where sedimentary bedrock and sparse glacial deposits create EPA Zone 2 radon conditions. With limited testing data available for ZIP 57794, residents should prioritize radon measurement given the area's geological setting. Housing in this rural community varies widely, from older structures to newer construction, with foundation types that may allow radon infiltration from underlying Pierre Shale formations.

Wounded Knee, 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 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 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