Iroquois, SD Radon Levels

Q: What EPA Radon Zone is Iroquois in?

Iroquois is in Kingsbury County, EPA Zone 1.

Q: How much does radon mitigation cost in Iroquois?

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

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

Iroquois, SD Radon Facts

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

County Kingsbury County, SD

Zip Code 57353

This small Kingsbury County community sits within South Dakota's glacial prairie region, where till deposits over Pierre shale can create high radon potential in some areas. Housing consists primarily of farmsteads and rural properties built throughout the 20th century, many with full basements for storm protection and storage. Since radon testing data for zip code 57353 is not available, residents should test their homes to determine individual radon levels.

Iroquois, 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 Iroquois, SD

What EPA Radon Zone is Iroquois in?

Iroquois and the 57353 zip code are in Kingsbury 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 Iroquois?

Radon mitigation in Iroquois 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 Iroquois?

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