Watauga, TN Radon Levels

Q: What EPA Radon Zone is Watauga in?

Watauga is in Carter County, EPA Zone 2.

Q: How much does radon mitigation cost in Watauga?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Watauga, TN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Carter County, TN

Zip Code 37694

Located in Carter County within the Johnson City and Kingsport metropolitan areas, this East Tennessee community sits in EPA Zone 2 where moderate radon levels are typical. The region's Appalachian geology, featuring limestone and dolomite bedrock beneath valley soils, can produce variable radon conditions depending on local topography and home foundation characteristics. With limited testing data available for zip code 37694, residents should prioritize radon testing to understand their individual home's risk profile.

7.33

pCi/L area average

Above EPA Action Level

Carter County average: 7.33 pCi/L, based on 3 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Watauga itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Watauga, TN Radon Mitigation

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

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Radon Readings Near Watauga, TN

No homeowner tests have been submitted for Watauga yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Elizabethton	4.1 mi	7.33 pCi/L	3
Johnson City	7.0 mi	4.20 pCi/L	5
Bluff City	7.6 mi	5.00 pCi/L	1
Blountville	12.6 mi	20.00 pCi/L	1
Jonesborough	13.4 mi	7.00 pCi/L	2
Bristol	14.5 mi	6.50 pCi/L	2
Telford	17.3 mi	12.00 pCi/L	1
Kingsport	18.4 mi	5.00 pCi/L	1

Carter County Radon Profile

EPA mapping assigns Carter County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 1 city in Carter County average 7.33 pCi/L across 3 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 Carter County home regardless of zone or a neighbor's results.

Radon FAQ for Watauga, TN

What EPA Radon Zone is Watauga in?

Watauga and the 37694 zip code are in Carter 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.

Why are radon readings shown from areas near Watauga?

No homeowner radon tests have been submitted for Watauga yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Carter County average—are the best available indicator of local conditions until Watauga homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Watauga?

Radon mitigation in Watauga 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 Watauga?

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.