Adrian, MI Radon Levels

Q: What EPA Radon Zone is Adrian in?

Adrian is in Lenawee County, EPA Zone 1.

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

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

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

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

Adrian, MI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Lenawee County, MI

Zip Code 49221

Found in Lenawee County in southeastern Michigan, Adrian is located in EPA Zone 1, indicating high radon potential across the region. The area's glacial till deposits over limestone bedrock, combined with the prevalence of homes built with full basements, create conditions highly favorable for radon accumulation. Testing data for the 49221 area remains limited, making professional radon testing crucial for determining individual home exposure levels.

7.57

pCi/L area average

Above EPA Action Level

Lenawee County average: 7.57 pCi/L, based on 7 user-submitted tests across 5 cities in the county. No homeowner readings have been submitted for Adrian 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+

Adrian, 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 Adrian, MI

No homeowner tests have been submitted for Adrian 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
Tecumseh	8.0 mi	11.50 pCi/L	2
Tipton	9.6 mi	4.00 pCi/L	1
Onsted	11.4 mi	6.00 pCi/L	2
Britton	12.3 mi	8.00 pCi/L	1
Clinton	12.4 mi	6.00 pCi/L	1
Saline	22.9 mi	1.00 pCi/L	1
Grass Lake	26.7 mi	6.00 pCi/L	1
Jackson	30.3 mi	7.00 pCi/L	1

Lenawee County Radon Profile

The bedrock and soils beneath Lenawee County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 5 cities in Lenawee County average 7.57 pCi/L across 7 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 Lenawee County.

Radon FAQ for Adrian, MI

What EPA Radon Zone is Adrian in?

Adrian and the 49221 zip code are in Lenawee County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Adrian?

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

Radon mitigation in Adrian 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 Adrian?

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.