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Telford, TN Radon Levels

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


Telford, TN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Washington County, TN
Zip Code 37690
Avg. User Level 12.00 pCi/L
User Tests 1

Telford in Washington County recorded an average radon level of 12.0 pCi/L, three times above EPA recommendations. Located in the Johnson City Metro area on limestone and shale formations of the Valley and Ridge province, this East Tennessee community shows significant radon potential. Most homes feature basements or crawl spaces where radon can concentrate in the region's karst terrain.

12.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Telford, TN Radon Mitigation

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

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Telford, TN Radon Levels

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

Radon LevelCityHome AgeFoundation
12 pCi/L Telford, TN 21-50 Years Full Basement

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

Radon Readings Near Telford, TN

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

CityDistanceAvg User LevelReadings
Jonesborough 4.3 mi 7.00 pCi/L 2
Limestone 4.9 mi 7.00 pCi/L 1
Johnson City 10.8 mi 4.20 pCi/L 5
Kingsport 19.7 mi 5.00 pCi/L 1
Elizabethton 19.9 mi 7.33 pCi/L 3
Blountville 22.2 mi 20.00 pCi/L 1
Bluff City 23.2 mi 5.00 pCi/L 1
Bristol 29.8 mi 6.50 pCi/L 2

Washington County Radon Profile

Because of its underlying geology, Washington 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 5 cities in Washington County average 6.00 pCi/L across 9 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 Washington County home regardless of zone or a neighbor's results.

Radon FAQ for Telford, TN

What is the average radon level in Telford, TN?
Based on 1 user-submitted test, the average radon level in Telford is 12.00 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 Telford in?
Telford and the 37690 zip code are in Washington 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 Telford?
Radon mitigation in Telford 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 Telford?
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.