Harrison Township, MI Radon Levels

Q: What EPA Radon Zone is Harrison Township in?

Harrison Township is in Macomb County, EPA Zone 3.

Q: Why are radon readings shown from areas near Harrison Township?

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

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

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

Harrison Township, MI Radon Facts

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

County Macomb County, MI

Zip Code 48045

Northern Macomb County's lakeside community within the Detroit metro area currently lacks comprehensive radon testing data for zip code 48045. Michigan's glacial geology and the prevalence of basement foundations throughout the region create conditions where radon accumulation can occur unpredictably. Homeowners should prioritize professional testing, especially in properties near Lake St. Clair where soil conditions may enhance radon migration pathways.

5.20

pCi/L area average

Above EPA Action Level

Macomb County average: 5.20 pCi/L, based on 10 user-submitted tests across 6 cities in the county. No homeowner readings have been submitted for Harrison Township 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+

Harrison Township, 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 Harrison Township, MI

No homeowner tests have been submitted for Harrison Township 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 Township	5.5 mi	6.50 pCi/L	2
Macomb	6.6 mi	3.00 pCi/L	1
Sterling Heights	10.4 mi	7.00 pCi/L	1
Harper Woods	11.7 mi	5.00 pCi/L	1
Warren	11.9 mi	5.67 pCi/L	3
Washington	15.4 mi	5.00 pCi/L	2
Troy	16.6 mi	3.00 pCi/L	1
Richmond	17.4 mi	2.00 pCi/L	1

Macomb County Radon Profile

Macomb County is classified as EPA Radon Zone 3, the lowest predicted-risk tier, with modeled indoor screening averages below 2 pCi/L. Homeowner-submitted tests from 6 cities in Macomb County average 5.20 pCi/L across 10 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 Macomb County.

Radon FAQ for Harrison Township, MI

What EPA Radon Zone is Harrison Township in?

Harrison Township and the 48045 zip code are in Macomb 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 Harrison Township?

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

Radon mitigation in Harrison Township 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 Harrison Township?

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.