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Lenoir City, TN Radon Levels

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


Lenoir City, TN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Loudon County, TN
Zip Code 37771
Avg. User Level 8.00 pCi/L
User Tests 1

This Loudon County community in the Knoxville Metro area has recorded radon levels averaging 8.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. The area's limestone bedrock and Tennessee Valley geological conditions create favorable environments for radon accumulation in homes with basements and crawl spaces. Residents in zip codes 37771 and 37772 should prioritize radon testing and mitigation given these elevated readings.

8.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Lenoir City, TN Radon Mitigation

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

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Lenoir City, TN Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Lenoir City, TN 21-50 Years Full Basement

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

Radon Readings Near Lenoir City, TN

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

CityDistanceAvg User LevelReadings
Loudon 7.5 mi 9.00 pCi/L 1
Oak Ridge 15.0 mi 7.00 pCi/L 2
Maryville 15.6 mi 10.50 pCi/L 2
Oliver Springs 17.4 mi 6.00 pCi/L 1
Knoxville 18.5 mi 4.00 pCi/L 1
Vonore 18.6 mi 9.00 pCi/L 1
Walland 23.7 mi 20.00 pCi/L 1
Athens 31.2 mi 15.00 pCi/L 1

Loudon County Radon Profile

Because of its underlying geology, Loudon County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Loudon County average 8.50 pCi/L across 2 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 Loudon County home regardless of zone or a neighbor's results.

Radon FAQ for Lenoir City, TN

What is the average radon level in Lenoir City, TN?
Based on 1 user-submitted test, the average radon level in Lenoir City is 8.00 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 Lenoir City in?
Lenoir City and the 37771 zip code are in Loudon 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 Lenoir City?
Radon mitigation in Lenoir City 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 Lenoir City?
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.