Summit, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Summit in?

Summit is in Roberts County, EPA Zone 1.

Q: How much does radon mitigation cost in Summit?

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

Roberts County

EPA Zone 1

Located in Roberts County along the North Dakota border, Summit sits in EPA Zone 1 where high radon potential exists due to glacial till deposits over Pierre Shale bedrock. The rural farming community features a mix of older farmhouses and newer residential construction, many with partial or full basements. With testing data limited for 57266, residents should consider radon testing given the high-potential geological conditions.

Summit, SD Radon Mitigation

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

Summit, SD Radon Testing

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

Summit Radon Facts

Key details about the radon risk profile for Summit and the 57266 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Roberts County, SD

Zip Code

57266

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Summit and the 57266 zip code are located in Roberts County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Summit, SD

What EPA Radon Zone is Summit in?

Summit and the 57266 zip code are in Roberts County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Summit?

Radon mitigation in Summit 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 Summit?

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