Buffalo Gap, SD Radon Levels

Q: What EPA Radon Zone is Buffalo Gap in?

Buffalo Gap is in Custer County, EPA Zone 2.

Q: How much does radon mitigation cost in Buffalo Gap?

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

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

Buffalo Gap, SD Radon Facts

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

County Custer County, SD

Zip Code 57722

Buffalo Gap lies in Custer County within the Rapid City metro area, positioned among the Black Hills' unique geological formations where granite intrusions meet sedimentary layers. The community's mountain valley location and mix of log homes and conventional construction create diverse radon entry scenarios. Testing data remains sparse for this scenic area, making individual home testing essential for understanding radon levels in this geologically complex region.

Buffalo Gap, 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 Buffalo Gap, SD

What EPA Radon Zone is Buffalo Gap in?

Buffalo Gap and the 57722 zip code are in Custer 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 Buffalo Gap?

Radon mitigation in Buffalo Gap 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 Buffalo Gap?

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