Greenbush, MN Radon Levels

Q: What EPA Radon Zone is Greenbush in?

Greenbush is in Roseau County, EPA Zone 1.

Q: How much does radon mitigation cost in Greenbush?

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

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

Greenbush, MN Radon Facts

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

County Roseau County, MN

Zip Code 56726

Far northern Minnesota's Roseau County community of Greenbush sits on glacial deposits that can affect radon levels in local homes. Testing data for this rural 56726 zip code area remains limited, despite the EPA Zone 1 high-risk classification. Homeowners should prioritize radon testing given the area's geological conditions and potential for elevated readings.

6.00

pCi/L area average

Above EPA Action Level

Roseau County average: 6.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Greenbush 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+

Greenbush, 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 Greenbush, MN

No homeowner tests have been submitted for Greenbush 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
Roseau	19.9 mi	6.00 pCi/L	1
Thief River Falls	39.8 mi	9.00 pCi/L	1

Roseau County Radon Profile

Roseau 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 Roseau County average 6.00 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 Roseau County to test, as levels can differ between neighboring homes.

Radon FAQ for Greenbush, MN

What EPA Radon Zone is Greenbush in?

Greenbush and the 56726 zip code are in Roseau 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 Greenbush?

No homeowner radon tests have been submitted for Greenbush yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Roseau County average—are the best available indicator of local conditions until Greenbush 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 Greenbush?

Radon mitigation in Greenbush 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 Greenbush?

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.