Toronto, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Toronto in?

Toronto is in Deuel County, EPA Zone 1.

Q: How much does radon mitigation cost in Toronto?

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

Deuel County

EPA Zone 1

Located in Deuel County on South Dakota's eastern border, Toronto (57268) currently lacks comprehensive radon testing data for assessment. The community sits on glacial till deposits over Pierre Shale formations that are known to produce elevated radon levels throughout the region. Prairie homes, particularly those with basements common to this climate, should conduct professional radon testing given the geological conditions favorable for radon accumulation.

Toronto, SD Radon Mitigation

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

Toronto, SD Radon Testing

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

Toronto Radon Facts

Key details about the radon risk profile for Toronto and the 57268 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Deuel County, SD

Zip Code

57268

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Toronto and the 57268 zip code are located in Deuel 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 Toronto, SD

What EPA Radon Zone is Toronto in?

Toronto and the 57268 zip code are in Deuel 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 Toronto?

Radon mitigation in Toronto 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 Toronto?

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