Cromwell, MN Radon Levels

Q: What EPA Radon Zone is Cromwell in?

Cromwell is in Carlton County, EPA Zone 2.

Q: How much does radon mitigation cost in Cromwell?

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

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

Cromwell, MN Radon Facts

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

County Carlton County, MN

Zip Code 55726

Found in Carlton County within the Duluth Metro area, Cromwell sits in EPA Zone 2 where northern Minnesota's glacial deposits over Precambrian bedrock create moderate radon conditions. Testing data remains sparse for zip code 55726, making professional radon testing advisable for area residents. The community's mix of older homes and cabins, often with basements for winter heating systems, can facilitate radon accumulation during the region's long heating season.

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 Cromwell 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+

Cromwell, MN Radon Mitigation

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

Need Radon Mitigation or Testing in Cromwell?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Carlton County Pros

1-800-299-3578 218-206-2867 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Cromwell, MN

No homeowner tests have been submitted for Cromwell 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	16.7 mi	4.00 pCi/L	1
Cloquet	16.8 mi	8.50 pCi/L	2
Carlton	19.2 mi	6.00 pCi/L	1
Askov	33.3 mi	10.00 pCi/L	1
Duluth	35.9 mi	5.00 pCi/L	2
Aitkin	39.0 mi	8.00 pCi/L	1
Isle	45.0 mi	20.00 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 Cromwell, MN

What EPA Radon Zone is Cromwell in?

Cromwell and the 55726 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 Cromwell?

No homeowner radon tests have been submitted for Cromwell 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 Cromwell 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 Cromwell?

Radon mitigation in Cromwell 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 Cromwell?

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.