Davis, SD Radon Levels

Q: What EPA Radon Zone is Davis in?

Davis is in Turner County, EPA Zone 1.

Q: How much does radon mitigation cost in Davis?

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

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

Davis, SD Radon Facts

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

County Turner County, SD

Zip Code 57021

Located in Turner County within the Sioux Falls Metro area, Davis sits on glacial till deposits characteristic of southeastern South Dakota's EPA Zone 1 designation. The underlying Cretaceous shale formations can contain uranium that produces radon gas, which migrates upward through the glacial soils. With no specific testing data available for zip code 57021, residents should conduct radon testing, particularly important for homes with basements common in this region.

Davis, SD Radon Mitigation

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

Need Radon Mitigation or Testing in Davis?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Turner County Pros

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon FAQ for Davis, SD

What EPA Radon Zone is Davis in?

Davis and the 57021 zip code are in Turner 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 Davis?

Radon mitigation in Davis 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 Davis?

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