Bertha, MN Radon Levels

Q: What EPA Radon Zone is Bertha in?

Bertha is in Todd County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Bertha yet, so readings from the closest cities and the Todd 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 Bertha?

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

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

Bertha, MN Radon Facts

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

County Todd County, MN

Zip Code 56437

Located in central Minnesota's Todd County, Bertha sits within glacial moraine deposits that contribute to high radon potential across much of the state. This small farming community's housing includes both historic farmsteads with stone foundations and newer residential construction, most featuring full basements that can concentrate radon gas. Testing data for the 56437 zip code remains unavailable, making individual home testing crucial given Minnesota's consistently elevated radon levels statewide.

5.60

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.60 pCi/L, based on 5 tests from 5 nearby cities. No readings have been submitted for Bertha yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Bertha, 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 Bertha, MN

No homeowner tests have been submitted for Bertha 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
Motley	22.7 mi	7.00 pCi/L	1
Nisswa	38.9 mi	4.00 pCi/L	1
Pequot Lakes	44.8 mi	8.00 pCi/L	1
Holdingford	45.7 mi	5.00 pCi/L	1
Nevis	47.9 mi	4.00 pCi/L	1

Todd County Radon Profile

The bedrock and soils beneath Todd County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Todd County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Todd County.

Radon FAQ for Bertha, MN

What EPA Radon Zone is Bertha in?

Bertha and the 56437 zip code are in Todd 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 Bertha?

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

Radon mitigation in Bertha 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 Bertha?

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.