Cass City, MI Radon Levels

Q: What EPA Radon Zone is Cass City in?

Cass City is in Tuscola County, EPA Zone 3.

Q: Why are radon readings shown from areas near Cass City?

No homeowner radon tests have been submitted for Cass City yet, so readings from the closest cities and the Tuscola 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 Cass City?

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

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

Cass City, MI Radon Facts

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

County Tuscola County, MI

Zip Code 48726

Situated in Michigan's Thumb region within Tuscola County, Cass City sits atop glacial till deposits where agricultural soils over limestone bedrock create moderate radon conditions. Testing data for this 48726 community remains limited, and homeowners should consider professional radon testing to determine individual property levels.

7.92

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.92 pCi/L, based on 13 tests from 9 nearby cities. No readings have been submitted for Cass City 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+

Cass City, 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 Cass City?

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Radon Readings Near Cass City, MI

No homeowner tests have been submitted for Cass City 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
Port Sanilac	33.0 mi	2.00 pCi/L	1
Frankenmuth	33.2 mi	19.00 pCi/L	1
Lapeer	36.9 mi	4.00 pCi/L	1
Bay City	37.2 mi	2.00 pCi/L	1
Imlay City	37.5 mi	4.00 pCi/L	1
Saginaw	42.0 mi	12.50 pCi/L	2
Flint	46.8 mi	9.00 pCi/L	3
Goodrich	48.5 mi	5.00 pCi/L	1

Tuscola County Radon Profile

Local geology places Tuscola County in EPA Radon Zone 3, where predicted indoor radon averages fall below 2 pCi/L — though no county is risk-free. Few homeowner tests have been logged inside Tuscola County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Tuscola County to test, as levels can differ between neighboring homes.

Radon FAQ for Cass City, MI

What EPA Radon Zone is Cass City in?

Cass City and the 48726 zip code are in Tuscola 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 Cass City?

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

Radon mitigation in Cass City 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 Cass City?

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.