Loudon, TN Radon Levels
Check local Loudon radon levels and find certified testing and mitigation professionals to keep your home safe
Loudon, TN Radon Facts
Part of the Knoxville Metro area in eastern Tennessee's Loudon County, this community has recorded an average radon level of 9.0 pCi/L, which significantly exceeds the EPA action level. The area sits in the Tennessee Valley where limestone bedrock and sedimentary geology contribute to elevated radon production. Homeowners in zip code 37774 should test their properties and consider mitigation, particularly in homes with basements or crawl spaces common to East Tennessee construction.
Based on 1 user-submitted radon test for homes in Loudon, TN. The EPA recommends taking action at or above 4.0 pCi/L.
Loudon, TN Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Loudon?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Loudon County Pros
Loudon, TN Radon Levels
User-submitted radon test readings from homes in the Loudon area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Loudon, TN | 21-50 Years | Partial Basement |
Have a radon test result for Loudon? Submit your reading to help other homeowners.
Radon Readings Near Loudon, TN
Compare radon levels in Loudon with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Lenoir City | 7.5 mi | 8.00 pCi/L | 1 |
| Vonore | 16.3 mi | 9.00 pCi/L | 1 |
| Maryville | 20.1 mi | 10.50 pCi/L | 2 |
| Oak Ridge | 20.3 mi | 7.00 pCi/L | 2 |
| Oliver Springs | 21.2 mi | 6.00 pCi/L | 1 |
| Athens | 23.8 mi | 15.00 pCi/L | 1 |
| Knoxville | 26.0 mi | 4.00 pCi/L | 1 |
| Walland | 29.2 mi | 20.00 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.