Long Valley, SD Radon Mitigation and Testing

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.

Jackson County

EPA Zone 2

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.

Long Valley, SD Radon Testing

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

Long Valley Radon Facts

Key details about the radon risk profile for Long Valley and the 57547 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Jackson County, SD

Zip Code

57547

Predicted Screening Level

2–4 pCi/L (Zone 2)

Long Valley and the 57547 zip code are located in Jackson 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 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 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