Edgemont, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Edgemont in?

Edgemont is in Fall River County, EPA Zone 2.

Q: How much does radon mitigation cost in Edgemont?

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

Fall River County

EPA Zone 2

Located in Fall River County near the southern Black Hills, Edgemont sits on sedimentary formations including limestone and sandstone that influence local radon potential. The Rapid City metro community features a mix of early 20th-century homes and newer construction, many with basements carved into the area's stable geological formations. With testing data currently limited for ZIP code 57735, residents are encouraged to test their homes given the variable radon conditions possible in this EPA Zone 2 area.

Edgemont, SD Radon Mitigation

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

Edgemont, SD Radon Testing

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

Edgemont Radon Facts

Key details about the radon risk profile for Edgemont and the 57735 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Fall River County, SD

Zip Code

57735

Predicted Screening Level

2–4 pCi/L (Zone 2)

Edgemont and the 57735 zip code are located in Fall River 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 Edgemont, SD

What EPA Radon Zone is Edgemont in?

Edgemont and the 57735 zip code are in Fall River 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 Edgemont?

Radon mitigation in Edgemont 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 Edgemont?

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