Long Valley, SD Radon Levels

Q: What EPA Radon Zone is Long Valley in?

Long Valley is in Jackson County, EPA Zone 2.

Q: How much does radon mitigation cost in Long Valley?

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

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

Long Valley, SD Radon Facts

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

County Jackson County, SD

Zip Code 57547

Nestled in rural Jackson County in southwestern South Dakota, Long Valley sits atop Pierre Shale formations that can vary significantly in radon potential from home to home. Testing data for this community in zip code 57547 remains limited, making individual home testing essential for residents. Given South Dakota's generally elevated radon conditions, homeowners should prioritize professional radon testing regardless of foundation type.

Long Valley, 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 Long Valley, SD

What EPA Radon Zone is Long Valley in?

Long Valley and the 57547 zip code are in Jackson 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 Long Valley?

Radon mitigation in Long Valley 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 Long Valley?

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