Buffalo, SD Radon Levels

Q: What EPA Radon Zone is Buffalo in?

Buffalo is in Harding County, EPA Zone 2.

Q: How much does radon mitigation cost in Buffalo?

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

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

Buffalo, SD Radon Facts

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

County Harding County, SD

Zip Code 57720

Buffalo sits in remote Harding County near South Dakota's northwestern corner, where sedimentary rock formations of the Great Plains create variable radon conditions. The sparse rural housing stock includes older ranch homes and farmsteads with diverse foundation types. Given the absence of local testing data for this area, residents should prioritize radon testing to establish their homes' individual risk profiles.

Buffalo, 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, SD

What EPA Radon Zone is Buffalo in?

Buffalo and the 57720 zip code are in Harding 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?

Radon mitigation in Buffalo 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?

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