Alma, MI Radon Mitigation and Testing

Q: What EPA Radon Zone is Alma in?

Alma is in Gratiot County, EPA Zone 3.

Q: How much does radon mitigation cost in Alma?

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

Gratiot County

EPA Zone 3

Found in central Michigan's Gratiot County, Alma falls within EPA Zone 3, suggesting generally lower radon potential across the region. The area's glacial outwash deposits and agricultural soils typically create conditions less conducive to significant radon accumulation. However, with limited testing data available for zip code 48801, homeowners should still consider professional radon measurement, as individual properties can occasionally produce unexpected readings.

Alma, MI Radon Mitigation

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

Alma, MI Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Alma Radon Facts

Key details about the radon risk profile for Alma and the 48801 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Gratiot County, MI

Zip Code

48801

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Alma and the 48801 zip code are located in Gratiot County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Alma, MI

What EPA Radon Zone is Alma in?

Alma and the 48801 zip code are in Gratiot 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.

How much does radon mitigation cost in Alma?

Radon mitigation in Alma 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 Alma?

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 Michigan

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Novi	5.00 pCi/L	7
Rochester	9.00 pCi/L	5
Battle Creek	6.60 pCi/L	5
White Lake	10.00 pCi/L	4
Ypsilanti	8.50 pCi/L	4
Waterford	7.75 pCi/L	4
Howell	7.50 pCi/L	4
Gaylord	6.00 pCi/L	4
Gladstone	5.25 pCi/L	4
West Bloomfield	5.25 pCi/L	4
Clarkston	5.00 pCi/L	4
Flint	9.00 pCi/L	3
Pinckney	7.33 pCi/L	3
Northville	5.33 pCi/L	3
Milford	4.33 pCi/L	3
Plymouth	4.33 pCi/L	3
Portage	3.33 pCi/L	3
Lake Orion	11.00 pCi/L	2
Oxford	11.00 pCi/L	2
Grand Ledge	7.00 pCi/L	2