Egan, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Egan in?

Egan is in Moody County, EPA Zone 1.

Q: How much does radon mitigation cost in Egan?

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

Moody County

EPA Zone 1

This rural community in Moody County sits on the glacial prairie of eastern South Dakota, where till deposits over sedimentary bedrock can create moderate radon conditions. Testing data for zip code 57024 remains limited, making individual home testing essential for residents. The area's mix of older farmsteads and newer homes presents varying foundation types that influence radon entry potential.

Egan, SD Radon Mitigation

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

Egan, SD Radon Testing

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

Egan Radon Facts

Key details about the radon risk profile for Egan and the 57024 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Moody County, SD

Zip Code

57024

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Egan and the 57024 zip code are located in Moody 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 Egan, SD

What EPA Radon Zone is Egan in?

Egan and the 57024 zip code are in Moody 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 Egan?

Radon mitigation in Egan 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 Egan?

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