Delmont, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Delmont in?

Delmont is in Douglas County, EPA Zone 1.

Q: How much does radon mitigation cost in Delmont?

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

Douglas County

EPA Zone 1

Situated in Douglas County, this rural South Dakota community experiences the state's characteristic continental climate and prairie geology, where glacial deposits over sedimentary bedrock can influence radon levels. Current testing data for zip code 57330 remains sparse, emphasizing the importance of individual property assessment. Homeowners in this area should conduct radon testing to establish baseline readings for their specific location.

Delmont, SD Radon Mitigation

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

Delmont, SD Radon Testing

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

Delmont Radon Facts

Key details about the radon risk profile for Delmont and the 57330 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Douglas County, SD

Zip Code

57330

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Delmont and the 57330 zip code are located in Douglas 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 Delmont, SD

What EPA Radon Zone is Delmont in?

Delmont and the 57330 zip code are in Douglas 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 Delmont?

Radon mitigation in Delmont 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 Delmont?

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