Oacoma, SD Radon Levels

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.

Check local Oacoma radon levels and find certified testing and mitigation professionals to keep your home safe

Oacoma, SD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Lyman County, SD

Zip Code 57365

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.

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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 in South Dakota with the most user-submitted radon test data, ranked by number of submissions.

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