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Signal Mountain, TN Radon Levels

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


Signal Mountain, TN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Hamilton County, TN
Zip Code 37377
Avg. User Level 7.00 pCi/L
User Tests 1

Perched above Chattanooga in Hamilton County, Signal Mountain has recorded an average radon level of 7.0 pCi/L, significantly exceeding the EPA action threshold. The community's elevated position on limestone bedrock creates ideal conditions for radon accumulation, making testing crucial for all residents in ZIP code 37377.

7.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Signal Mountain, TN Radon Mitigation

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

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Signal Mountain, TN Radon Levels

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

Radon LevelCityHome AgeFoundation
7 pCi/L Signal Mountain, TN 0-20 Years Full Basement

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

Radon Readings Near Signal Mountain, TN

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

CityDistanceAvg User LevelReadings
Chattanooga 8.2 mi 5.00 pCi/L 2
Dunlap 16.5 mi 14.00 pCi/L 1
Cleveland 27.1 mi 5.33 pCi/L 3
Winchester 43.9 mi 4.00 pCi/L 1
Mcminnville 44.2 mi 6.50 pCi/L 2
Athens 46.4 mi 15.00 pCi/L 1

Hamilton County Radon Profile

The soils and bedrock of Hamilton County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 2 cities in Hamilton County average 5.67 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Hamilton County to test, as levels can differ between neighboring homes.

Radon FAQ for Signal Mountain, TN

What is the average radon level in Signal Mountain, TN?
Based on 1 user-submitted test, the average radon level in Signal Mountain is 7.00 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 Signal Mountain in?
Signal Mountain and the 37377 zip code are in Hamilton County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Signal Mountain?
Radon mitigation in Signal Mountain 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 Signal Mountain?
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.