Oacoma, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Oacoma in?

Oacoma is in Lyman County, EPA Zone 1.

Q: How much does radon mitigation cost in Oacoma?

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

Lyman County

EPA Zone 1

Situated along the Missouri River in Lyman County, Oacoma sits in South Dakota's EPA Zone 1 region where uranium-bearing formations can contribute to elevated radon potential. Testing data for zip code 57365 is currently limited, making individual property assessment particularly important. Given the area's geological characteristics and typical South Dakota housing with basements, homeowners should prioritize professional radon testing for comprehensive property evaluation.

Oacoma, SD Radon Mitigation

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

Oacoma, SD Radon Testing

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

Oacoma Radon Facts

Key details about the radon risk profile for Oacoma and the 57365 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lyman County, SD

Zip Code

57365

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Oacoma and the 57365 zip code are located in Lyman 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 Oacoma, SD

What EPA Radon Zone is Oacoma in?

Oacoma and the 57365 zip code are in Lyman 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 Oacoma?

Radon mitigation in Oacoma 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 Oacoma?

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