Winfred, SD Radon Levels

Q: What EPA Radon Zone is Winfred in?

Winfred is in Lake County, EPA Zone 1.

Q: How much does radon mitigation cost in Winfred?

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

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

Winfred, SD Radon Facts

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

County Lake County, SD

Zip Code 57076

Rural Lake County community Winfred sits in southeastern South Dakota's prairie region, where glacial deposits over limestone bedrock create elevated radon potential statewide. Testing data for zip code 57076 is currently unavailable, though South Dakota's high radon prevalence makes testing particularly important. Local farming properties and residential homes should prioritize radon measurements to ensure safe indoor air quality.

Winfred, 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 Winfred?

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

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

Radon FAQ for Winfred, SD

What EPA Radon Zone is Winfred in?

Winfred and the 57076 zip code are in Lake 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 Winfred?

Radon mitigation in Winfred 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 Winfred?

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