Hecla, SD Radon Levels

Q: What EPA Radon Zone is Hecla in?

Hecla is in Brown County, EPA Zone 1.

Q: How much does radon mitigation cost in Hecla?

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

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

Hecla, SD Radon Facts

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

County Brown County, SD

Zip Code 57446

This small Brown County community sits on South Dakota's glacial prairie, where uranium-bearing formations create the potential for elevated radon levels statewide. Testing data for zip code 57446 is currently limited, making individual home testing essential for residents. The area's cold winters and homes with full basements can create conditions where radon accumulates to concerning levels.

Hecla, 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 Hecla, SD

What EPA Radon Zone is Hecla in?

Hecla and the 57446 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 Hecla?

Radon mitigation in Hecla 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 Hecla?

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