Houghton, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Houghton in?

Houghton is in Brown County, EPA Zone 1.

Q: How much does radon mitigation cost in Houghton?

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

Brown County

EPA Zone 1

Small-town Houghton in Brown County lies within South Dakota's glacial prairie region, where Pleistocene till deposits facilitate radon gas migration from underlying bedrock. The community falls within EPA Zone 1, indicating high radon potential, though specific testing data for the 57449 area remains limited. Given the geological setting and typical rural home construction with full basements, radon testing is strongly recommended for all area residents.

Houghton, SD Radon Mitigation

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

Houghton, SD Radon Testing

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

Houghton Radon Facts

Key details about the radon risk profile for Houghton and the 57449 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Brown County, SD

Zip Code

57449

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Houghton and the 57449 zip code are located in Brown 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 Houghton, SD

What EPA Radon Zone is Houghton in?

Houghton and the 57449 zip code are in Brown 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 Houghton?

Radon mitigation in Houghton 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 Houghton?

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