Buffalo Gap, SD Radon Mitigation and Testing

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.

Custer County

EPA Zone 2

Buffalo Gap, SD resides 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. Testing is recommended for all homes in the 57722 zip code area.

Buffalo Gap, SD Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Buffalo Gap, SD Radon Testing

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

Buffalo Gap Radon Facts

Key details about the radon risk profile for Buffalo Gap and the 57722 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Custer County, SD

Zip Code

57722

Predicted Screening Level

2–4 pCi/L (Zone 2)

Buffalo Gap and the 57722 zip code are located in Custer 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 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 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