Humboldt, SD Radon Levels

Q: What EPA Radon Zone is Humboldt in?

Humboldt is in Minnehaha County, EPA Zone 1.

Q: How much does radon mitigation cost in Humboldt?

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

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

Humboldt, SD Radon Facts

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

County Minnehaha County, SD

Zip Code 57035

Part of the Sioux Falls Metro area in Minnehaha County, Humboldt occupies EPA Zone 1 territory where radon testing data collection continues. The region's glacial geology over sedimentary formations can produce variable radon conditions across different properties. Local homeowners in zip code 57035 should pursue professional radon measurement to understand their specific exposure levels.

Humboldt, 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 Humboldt, SD

What EPA Radon Zone is Humboldt in?

Humboldt and the 57035 zip code are in Minnehaha 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 Humboldt?

Radon mitigation in Humboldt 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 Humboldt?

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