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Bluff City, TN Radon Levels

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


Bluff City, TN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Sullivan County, TN
Zip Code 37618
Avg. User Level 5.00 pCi/L
User Tests 1

Bluff City in Sullivan County, part of the Kingsport Metro area, shows radon levels averaging 5.0 pCi/L — moderately above the EPA action threshold. Tennessee's Appalachian geology, featuring limestone and dolomite bedrock, creates favorable conditions for radon accumulation in this 37618 area. Residents should consider radon mitigation to reduce indoor concentrations, particularly in homes with basements common throughout this mountainous region.

5.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Bluff 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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Bluff City, TN Radon Levels

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

Radon LevelCityHome AgeFoundation
5 pCi/L Bluff City, TN 0-20 Years No Basement/All Crawl Space

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

Radon Readings Near Bluff City, TN

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

CityDistanceAvg User LevelReadings
Bristol 7.0 mi 6.50 pCi/L 2
Blountville 8.2 mi 20.00 pCi/L 1
Elizabethton 9.4 mi 7.33 pCi/L 3
Johnson City 12.4 mi 4.20 pCi/L 5
Kingsport 16.9 mi 5.00 pCi/L 1
Jonesborough 18.9 mi 7.00 pCi/L 2
Telford 23.2 mi 12.00 pCi/L 1
Mountain City 23.5 mi 20.00 pCi/L 1

Sullivan County Radon Profile

The bedrock and soils beneath Sullivan 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 4 cities in Sullivan County average 8.60 pCi/L across 5 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 Sullivan County.

Radon FAQ for Bluff City, TN

What is the average radon level in Bluff City, TN?
Based on 1 user-submitted test, the average radon level in Bluff City 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 Bluff City in?
Bluff City and the 37618 zip code are in Sullivan 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 Bluff City?
Radon mitigation in Bluff 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 Bluff 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.