Granada, MN Radon Levels

Q: What EPA Radon Zone is Granada in?

Granada is in Martin County, EPA Zone 1.

Q: How much does radon mitigation cost in Granada?

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

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

Granada, MN Radon Facts

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

County Martin County, MN

Zip Code 56039

This rural Martin County community in south-central Minnesota sits atop glacial deposits that can affect indoor air quality. With radon testing data currently unavailable for zip code 56039, homeowners should conduct their own tests to establish baseline measurements.

8.00

pCi/L area average

Above EPA Action Level

Martin County average: 8.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Granada itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Granada, MN Radon Mitigation

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

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Radon Readings Near Granada, MN

No homeowner tests have been submitted for Granada yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Fairmont	7.7 mi	8.00 pCi/L	1
Blue Earth	12.8 mi	7.00 pCi/L	1
Wells	30.0 mi	6.00 pCi/L	1
Mankato	36.0 mi	14.00 pCi/L	1
Nicollet	39.8 mi	2.00 pCi/L	1
Sleepy Eye	44.4 mi	12.00 pCi/L	1
Albert Lea	48.1 mi	7.00 pCi/L	1

Martin County Radon Profile

Martin County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 1 city in Martin County average 8.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Martin County to test, as levels can differ between neighboring homes.

Radon FAQ for Granada, MN

What EPA Radon Zone is Granada in?

Granada and the 56039 zip code are in Martin 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.

Why are radon readings shown from areas near Granada?

No homeowner radon tests have been submitted for Granada yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Martin County average—are the best available indicator of local conditions until Granada homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Granada?

Radon mitigation in Granada 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 Granada?

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.