Stevensville, MI Radon Levels

Q: What EPA Radon Zone is Stevensville in?

Stevensville is in Berrien County, EPA Zone 3.

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

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

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

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

Stevensville, MI Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Berrien County, MI

Zip Code 49127

Located in southwestern Michigan's Berrien County, Stevensville sits on glacial deposits along Lake Michigan's shoreline where radon potential varies considerably. Current testing data for zip code 49127 is limited, though the region's sandy soils typically allow better radon dissipation than clay-rich areas. Professional radon testing remains recommended for all homes, particularly those with basements or crawl spaces.

4.00

pCi/L area average

Above EPA Action Level

Berrien County average: 4.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Stevensville 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+

Stevensville, MI 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 Stevensville, MI

No homeowner tests have been submitted for Stevensville 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
Saint Joseph	3.4 mi	2.00 pCi/L	1
Coloma	15.8 mi	6.00 pCi/L	1
Paw Paw	34.6 mi	4.00 pCi/L	1
Mattawan	39.9 mi	4.00 pCi/L	1
Three Rivers	45.1 mi	6.00 pCi/L	2
Portage	48.7 mi	3.33 pCi/L	3

Berrien County Radon Profile

The EPA maps Berrien County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Homeowner-submitted tests from 2 cities in Berrien County average 4.00 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Berrien County home regardless of zone or a neighbor's results.

Radon FAQ for Stevensville, MI

What EPA Radon Zone is Stevensville in?

Stevensville and the 49127 zip code are in Berrien County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

Why are radon readings shown from areas near Stevensville?

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

Radon mitigation in Stevensville 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 Stevensville?

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.