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Tecumseh, MI Radon Levels

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


Tecumseh, MI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Lenawee County, MI
Zip Code 49286
Avg. User Level 11.50 pCi/L
User Tests 2

Tecumseh in Lenawee County recorded an average radon level of 12.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. Built on glacial till deposits over limestone bedrock, this southeastern Michigan community shows the radon potential common to the region. Most homes feature full basements in glacial clay soils that can trap and concentrate radon gas.

11.50
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Tecumseh, MI. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Tecumseh, MI Radon Mitigation

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

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Tecumseh, MI Radon Levels

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

Radon LevelCityHome AgeFoundation
11 pCi/L Tecumseh, MI 21-50 Years No Basement/All Slab
12 pCi/L Tecumseh, MI 21-50 Years Full Basement

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

Radon Readings Near Tecumseh, MI

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

CityDistanceAvg User LevelReadings
Clinton 4.8 mi 6.00 pCi/L 1
Britton 6.1 mi 8.00 pCi/L 1
Tipton 6.9 mi 4.00 pCi/L 1
Onsted 12.0 mi 6.00 pCi/L 2
Saline 14.9 mi 1.00 pCi/L 1
Ann Arbor 22.3 mi 5.00 pCi/L 1
Grass Lake 22.6 mi 6.00 pCi/L 1
Ypsilanti 24.5 mi 8.50 pCi/L 4

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 Tecumseh, MI

What is the average radon level in Tecumseh, MI?
Based on 2 user-submitted tests, the average radon level in Tecumseh is 11.50 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 Tecumseh in?
Tecumseh and the 49286 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.
How much does radon mitigation cost in Tecumseh?
Radon mitigation in Tecumseh 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 Tecumseh?
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.