Manchester, MI Radon Levels

Q: What EPA Radon Zone is Manchester in?

Manchester is in Washtenaw County, EPA Zone 1.

Q: How much does radon mitigation cost in Manchester?

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

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

Manchester, MI Radon Facts

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

County Washtenaw County, MI

Zip Code 48158

Located in southern Washtenaw County between the Ann Arbor and Jackson metro areas, Manchester sits amid southeastern Michigan's rolling glacial topography. The community features a mix of historic village homes and newer suburban developments, many with full basements common to Michigan construction. Radon testing data for the 48158 area is currently limited, making individual home testing essential for residents to determine their specific exposure risk.

6.29

pCi/L area average

Above EPA Action Level

Washtenaw County average: 6.29 pCi/L, based on 7 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Manchester 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+

Manchester, 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 Manchester, MI

No homeowner tests have been submitted for Manchester 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
Clinton	7.8 mi	6.00 pCi/L	1
Tipton	8.5 mi	4.00 pCi/L	1
Grass Lake	11.5 mi	6.00 pCi/L	1
Onsted	11.6 mi	6.00 pCi/L	2
Tecumseh	11.8 mi	11.50 pCi/L	2
Saline	12.8 mi	1.00 pCi/L	1
Britton	15.3 mi	8.00 pCi/L	1
Dexter	15.6 mi	4.00 pCi/L	1

Washtenaw County Radon Profile

Because of its underlying geology, Washtenaw County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 4 cities in Washtenaw County average 6.29 pCi/L across 7 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 Washtenaw County home regardless of zone or a neighbor's results.

Radon FAQ for Manchester, MI

What EPA Radon Zone is Manchester in?

Manchester and the 48158 zip code are in Washtenaw 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 Manchester?

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

Radon mitigation in Manchester 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 Manchester?

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.