Waubay, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Waubay in?

Waubay is in Day County, EPA Zone 1.

Q: How much does radon mitigation cost in Waubay?

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

Day County

EPA Zone 1

Located in Day County in northeastern South Dakota's glacial lake region, Waubay sits on glacial till deposits that create favorable conditions for radon production. Testing data for zip code 57273 remains limited, but the area's geological characteristics warrant homeowner attention to radon levels. Professional testing is recommended, particularly given the prevalence of basement construction in this region.

Waubay, SD Radon Mitigation

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

Waubay, SD Radon Testing

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

Waubay Radon Facts

Key details about the radon risk profile for Waubay and the 57273 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Day County, SD

Zip Code

57273

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Waubay and the 57273 zip code are located in Day 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 Waubay, SD

What EPA Radon Zone is Waubay in?

Waubay and the 57273 zip code are in Day 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 Waubay?

Radon mitigation in Waubay 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 Waubay?

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