Larimore, ND Radon Levels

Q: What is the average radon level in Larimore, ND?

Based on 1 user-submitted tests, the average radon level is 8.00 pCi/L.

Q: What EPA Radon Zone is Larimore in?

Larimore is in Grand Forks County, EPA Zone 1.

Q: How much does radon mitigation cost in Larimore?

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

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

Larimore, ND Radon Facts

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

County Grand Forks County, ND

Zip Code 58251

Avg. User Level 8.00 pCi/L

User Tests 1

Situated in Grand Forks County, Larimore (58251) demonstrates North Dakota's significant radon potential with an average level of 8.0 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. The community's position over glacial deposits and Pierre Shale formations contributes to elevated radon concentrations. Homeowners should prioritize radon testing and mitigation given these concerning readings in homes with typical basement foundations.

8.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Larimore, ND. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Larimore, ND Radon Mitigation

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Larimore, ND Radon Levels

User-submitted radon test readings from homes in the Larimore area.

Radon Level	City	Home Age	Foundation
8 pCi/L	Larimore, ND	21-50 Years	No Basement/All Slab

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Radon FAQ for Larimore, ND

What is the average radon level in Larimore, ND?

Based on 1 user-submitted test, the average radon level in Larimore is 8.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Larimore in?

Larimore and the 58251 zip code are in Grand Forks 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 Larimore?

Radon mitigation in Larimore 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 Larimore?

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 North Dakota

Cities in North Dakota with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Grand Forks	13.50 pCi/L	8
Grafton	7.67 pCi/L	3
Dickinson	6.00 pCi/L	3
Watford City	5.50 pCi/L	2
Bismarck	No submissions	0

Larimore, ND Radon Levels

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

Larimore, ND Radon Facts

Larimore, ND Radon Mitigation

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Larimore, ND Radon Levels

Radon FAQ for Larimore, ND

Most Active Radon Markets in North Dakota

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