Monroe, MI Radon Levels

Q: What EPA Radon Zone is Monroe in?

Monroe is in Monroe County, EPA Zone 2.

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

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

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

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

Monroe, MI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Monroe County, MI

Zip Code 48161

As the seat of Monroe County in southeastern Michigan, Monroe sits on glacial lake deposits and limestone bedrock that can produce variable radon levels across different neighborhoods. Testing data remains limited for both the 48161 and 48162 zip codes, making individual home assessment important for residents concerned about radon exposure. The area's proximity to Lake Erie and diverse geological formations create conditions where radon concentrations can differ significantly between nearby properties.

4.00

pCi/L area average

Above EPA Action Level

Monroe 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 Monroe 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+

Monroe, 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 Monroe, MI

No homeowner tests have been submitted for Monroe 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
Newport	10.0 mi	4.00 pCi/L	1
Carleton	10.2 mi	4.00 pCi/L	1
Trenton	19.6 mi	5.00 pCi/L	1
Britton	20.1 mi	8.00 pCi/L	1
Riverview	21.0 mi	2.00 pCi/L	1
Grosse Ile	21.6 mi	14.00 pCi/L	1
Ypsilanti	23.4 mi	8.50 pCi/L	4
Taylor	23.7 mi	6.00 pCi/L	2

Monroe County Radon Profile

Monroe County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 2 cities in Monroe 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. 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 Monroe County.

Radon FAQ for Monroe, MI

What EPA Radon Zone is Monroe in?

Monroe and the 48161 zip code are in Monroe County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Monroe?

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

Radon mitigation in Monroe 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 Monroe?

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.