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Grosse Ile, MI Radon Levels

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


Grosse Ile, MI Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Wayne County, MI
Zip Code 48138
Avg. User Level 14.00 pCi/L
User Tests 1

Grosse Ile occupies a unique island setting in Wayne County within the Detroit Metro area, where the Detroit River creates distinct geological conditions that can influence radon levels. Available testing data indicates an average radon level of 14.0 pCi/L, which significantly exceeds the EPA's 4.0 pCi/L action level and requires immediate attention from homeowners. The island community's mix of waterfront homes and inland properties in zip code 48138 may experience varying radon concentrations based on their specific locations and foundation types.

14.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Grosse Ile, MI. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Grosse Ile, MI Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Grosse Ile, MI Radon Levels

User-submitted radon test readings from homes in the Grosse Ile area.

Radon LevelCityHome AgeFoundation
14 pCi/L Grosse Ile, MI 21-50 Years Full Basement

Have a radon test result for Grosse Ile? Submit your reading to help other homeowners.

Radon Readings Near Grosse Ile, MI

Compare radon levels in Grosse Ile with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Trenton 3.2 mi 5.00 pCi/L 1
Riverview 5.5 mi 2.00 pCi/L 1
Allen Park 8.6 mi 7.00 pCi/L 1
Taylor 8.8 mi 6.00 pCi/L 2
Carleton 12.6 mi 4.00 pCi/L 1
Newport 12.7 mi 4.00 pCi/L 1
Canton 20.0 mi 3.00 pCi/L 2
Plymouth 23.1 mi 4.33 pCi/L 3

Wayne County Radon Profile

The EPA maps Wayne County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Homeowner-submitted tests from 9 cities in Wayne County average 5.33 pCi/L across 15 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 Wayne County home regardless of zone or a neighbor's results.

Radon FAQ for Grosse Ile, MI

What is the average radon level in Grosse Ile, MI?
Based on 1 user-submitted test, the average radon level in Grosse Ile is 14.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Grosse Ile in?
Grosse Ile and the 48138 zip code are in Wayne 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.
How much does radon mitigation cost in Grosse Ile?
Radon mitigation in Grosse Ile 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 Grosse Ile?
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.