Barnum, MN Radon Levels

Q: What EPA Radon Zone is Barnum in?

Barnum is in Carlton County, EPA Zone 2.

Q: Why are radon readings shown from areas near Barnum?

No homeowner radon tests have been submitted for Barnum yet, so readings from the closest cities and the Carlton County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Barnum?

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

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

Barnum, MN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Carlton County, MN

Zip Code 55707

This Carlton County community within the Duluth Metro area sits in Minnesota's glaciated northland, where complex bedrock geology can produce variable radon levels. The region's harsh climate means homes typically feature deep basements and tight construction, creating conditions favorable for radon accumulation during long winter months. With testing data limited for zip code 55707, residents should prioritize professional radon testing given Minnesota's documented radon potential throughout the northern counties.

6.75

pCi/L area average

Above EPA Action Level

Carlton County average: 6.75 pCi/L, based on 4 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Barnum 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+

Barnum, 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 Barnum, MN

No homeowner tests have been submitted for Barnum 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
Moose Lake	7.5 mi	4.00 pCi/L	1
Carlton	11.6 mi	6.00 pCi/L	1
Cloquet	16.8 mi	8.50 pCi/L	2
Askov	23.1 mi	10.00 pCi/L	1
Duluth	29.9 mi	5.00 pCi/L	2
Isle	47.0 mi	20.00 pCi/L	1
Aitkin	48.4 mi	8.00 pCi/L	1

Carlton County Radon Profile

The soils and bedrock of Carlton County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 3 cities in Carlton County average 6.75 pCi/L across 4 tests — 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 Carlton County to test, as levels can differ between neighboring homes.

Radon FAQ for Barnum, MN

What EPA Radon Zone is Barnum in?

Barnum and the 55707 zip code are in Carlton County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Barnum?

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

Radon mitigation in Barnum 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 Barnum?

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.