Shady Valley, TN Radon Levels

Q: What EPA Radon Zone is Shady Valley in?

Shady Valley is in Johnson County, EPA Zone 2.

Q: How much does radon mitigation cost in Shady Valley?

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

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

Shady Valley, TN Radon Facts

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

County Johnson County, TN

Zip Code 37688

High in the mountains of Johnson County, Shady Valley occupies a unique valley floor location within Tennessee's Appalachian highlands. The community's homes, scattered throughout zip code 37688, sit on alluvial soils over limestone bedrock, creating geological conditions that can influence radon accumulation in unexpected ways. With comprehensive radon testing data not currently available for this remote area, mountain residents should consider individual home testing to ensure safe indoor air quality.

20.00

pCi/L area average

Above EPA Action Level

Johnson County average: 20.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Shady Valley 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+

Shady Valley, 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 Shady Valley, TN

No homeowner tests have been submitted for Shady Valley 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
Mountain City	6.7 mi	20.00 pCi/L	1
Bristol	15.5 mi	6.50 pCi/L	2
Bluff City	18.6 mi	5.00 pCi/L	1
Elizabethton	20.7 mi	7.33 pCi/L	3
Blountville	25.5 mi	20.00 pCi/L	1
Johnson City	29.6 mi	4.20 pCi/L	5
Kingsport	34.8 mi	5.00 pCi/L	1
Jonesborough	36.2 mi	7.00 pCi/L	2

Johnson County Radon Profile

The soils and bedrock of Johnson 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 1 city in Johnson County average 20.00 pCi/L across 1 test — 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 Johnson County to test, as levels can differ between neighboring homes.

Radon FAQ for Shady Valley, TN

What EPA Radon Zone is Shady Valley in?

Shady Valley and the 37688 zip code are in Johnson 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 Shady Valley?

No homeowner radon tests have been submitted for Shady Valley yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Johnson County average—are the best available indicator of local conditions until Shady Valley 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 Shady Valley?

Radon mitigation in Shady Valley 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 Shady Valley?

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.