Emmett, MI Radon Levels

Q: What EPA Radon Zone is Emmett in?

Emmett is in St Clair County, EPA Zone Unknown.

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

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

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

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

Emmett, MI Radon Facts

EPA Radon Zone Unknown Unknown

County St Clair County, MI

Zip Code 48022

Positioned in St Clair County within the Detroit Metro area along Lake Huron's shoreline, Emmett sits on glacial lake deposits and clay soils typical of Michigan's Thumb region. Although radon testing data for the 48022 area is currently unavailable, the region's dense clay soils can trap radon gas and create accumulation in enclosed spaces. Homeowners should test their properties, particularly older homes with basement foundations or crawl spaces.

8.33

pCi/L area average

Above EPA Action Level

St Clair County average: 8.33 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Emmett 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+

Emmett, 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 Emmett, MI

No homeowner tests have been submitted for Emmett 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
Goodells	5.6 mi	4.00 pCi/L	1
Richmond	10.3 mi	2.00 pCi/L	1
Imlay City	14.9 mi	4.00 pCi/L	1
East China	19.0 mi	10.50 pCi/L	2
Washington	20.8 mi	5.00 pCi/L	2
Macomb	23.5 mi	3.00 pCi/L	1
Oxford	25.7 mi	11.00 pCi/L	2
Lapeer	28.1 mi	4.00 pCi/L	1

St Clair County Radon Profile

St Clair County has not been assigned a definitive EPA radon zone, so the agency recommends that every home be tested regardless of predicted risk. Homeowner-submitted tests from 3 cities in St Clair County average 8.33 pCi/L across 3 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 St Clair County.

Radon FAQ for Emmett, MI

What EPA Radon Zone is Emmett in?

Emmett and the 48022 zip code are in St Clair County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

Why are radon readings shown from areas near Emmett?

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

Radon mitigation in Emmett 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 Emmett?

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.