Alma, MI Radon Levels

Q: What EPA Radon Zone is Alma in?

Alma is in Gratiot County, EPA Zone 3.

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

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

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

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

Alma, MI Radon Facts

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

County Gratiot County, MI

Zip Code 48801

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.

3.00

pCi/L area average

Below EPA Action Level

Gratiot County average: 3.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Alma 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+

Alma, MI 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 Alma?

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

1-800-299-3578 989-607-9568 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Alma, MI

No homeowner tests have been submitted for Alma 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
Ithaca	7.3 mi	3.00 pCi/L	1
Saginaw	34.2 mi	12.50 pCi/L	2
Dewitt	37.4 mi	20.00 pCi/L	1
Bay City	40.3 mi	2.00 pCi/L	1
Saranac	41.1 mi	4.00 pCi/L	1
Grand Ledge	43.6 mi	7.00 pCi/L	2
Sunfield	45.2 mi	6.00 pCi/L	1
Haslett	45.4 mi	3.50 pCi/L	2

Gratiot County Radon Profile

Gratiot County is classified as EPA Radon Zone 3, the lowest predicted-risk tier, with modeled indoor screening averages below 2 pCi/L. Homeowner-submitted tests from 1 city in Gratiot County average 3.00 pCi/L across 1 test — below the EPA's 4 pCi/L action level, though radon varies sharply from home to home. 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 Gratiot County.

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.

Why are radon readings shown from areas near Alma?

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