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Maynardville, TN Radon Levels

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


Maynardville, TN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Union County, TN
Zip Code 37807
Avg. User Level 5.00 pCi/L
User Tests 1

County seat of Union County in the Knoxville metro area, Maynardville shows an average radon level of 5.0 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. Located in EPA Zone 1, this East Tennessee community sits atop limestone formations that contribute to elevated radon potential. Homeowners should test their properties and consider mitigation if levels exceed EPA guidelines.

5.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Maynardville, TN Radon Mitigation

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

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Maynardville, TN Radon Levels

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

Radon LevelCityHome AgeFoundation
5 pCi/L Maynardville, TN 0-20 Years Full Basement

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

Radon Readings Near Maynardville, TN

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

CityDistanceAvg User LevelReadings
La Follette 19.2 mi 12.00 pCi/L 1
Knoxville 20.1 mi 4.00 pCi/L 1
Jefferson City 21.6 mi 5.00 pCi/L 1
Oak Ridge 28.0 mi 7.00 pCi/L 2
Morristown 30.5 mi 7.00 pCi/L 2
Oliver Springs 31.5 mi 6.00 pCi/L 1
White Pine 32.0 mi 4.00 pCi/L 1
Walland 33.2 mi 20.00 pCi/L 1

Union County Radon Profile

The bedrock and soils beneath Union 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 1 city in Union County average 5.00 pCi/L across 1 test — 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 Union County.

Radon FAQ for Maynardville, TN

What is the average radon level in Maynardville, TN?
Based on 1 user-submitted test, the average radon level in Maynardville is 5.00 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 Maynardville in?
Maynardville and the 37807 zip code are in Union 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 Maynardville?
Radon mitigation in Maynardville 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 Maynardville?
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.