Belvidere, SD Radon Levels

Q: What EPA Radon Zone is Belvidere in?

Belvidere is in Jackson County, EPA Zone 2.

Q: How much does radon mitigation cost in Belvidere?

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

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

Belvidere, SD Radon Facts

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

County Jackson County, SD

Zip Code 57521

Located in Jackson County in south-central South Dakota, Belvidere sits within EPA Zone 2, suggesting moderate radon potential across the region. The area's Pierre Shale formations and glacial drift deposits create variable geological conditions that can influence radon levels in residential properties. While testing data for zip code 57521 remains unavailable, homeowners should consider radon testing, particularly given the mixed geology common throughout western South Dakota.

Belvidere, 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 Belvidere, SD

What EPA Radon Zone is Belvidere in?

Belvidere and the 57521 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 Belvidere?

Radon mitigation in Belvidere 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 Belvidere?

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