Merrill, MI Radon Levels

Q: What EPA Radon Zone is Merrill in?

Merrill is in Saginaw County, EPA Zone 3.

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

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

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

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

Merrill, MI Radon Facts

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

County Saginaw County, MI

Zip Code 48637

Located in Saginaw County within the Saginaw Metro area, Merrill sits atop glacial deposits that characterize much of Michigan's Thumb region in zip code 48637. Testing data for this community remains limited, making professional radon assessment essential for local homeowners. The area's glacial till soils over sedimentary bedrock, combined with Michigan's variable radon patterns, means testing is the only reliable way to determine individual home risk levels.

14.67

pCi/L area average

Above EPA Action Level

Saginaw County average: 14.67 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Merrill 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+

Merrill, 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 Merrill?

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Radon Readings Near Merrill, MI

No homeowner tests have been submitted for Merrill 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	15.9 mi	3.00 pCi/L	1
Saginaw	17.5 mi	12.50 pCi/L	2
Bay City	25.0 mi	2.00 pCi/L	1
Frankenmuth	29.5 mi	19.00 pCi/L	1
Flushing	33.2 mi	7.50 pCi/L	2
Flint	39.9 mi	9.00 pCi/L	3
Dewitt	40.1 mi	20.00 pCi/L	1
Swartz Creek	40.3 mi	10.00 pCi/L	1

Saginaw County Radon Profile

The EPA maps Saginaw 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 Saginaw County average 14.67 pCi/L across 3 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 Saginaw County home regardless of zone or a neighbor's results.

Radon FAQ for Merrill, MI

What EPA Radon Zone is Merrill in?

Merrill and the 48637 zip code are in Saginaw 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 Merrill?

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

Radon mitigation in Merrill 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 Merrill?

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.