Tryon, NC Radon Levels

Q: What EPA Radon Zone is Tryon in?

Tryon is in Polk County, EPA Zone 2.

Q: Why are radon readings shown from areas near Tryon?

No homeowner radon tests have been submitted for Tryon yet, so readings from the closest cities and the Polk County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Tryon?

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

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

Tryon, NC Radon Facts

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

County Polk County, NC

Zip Code 28782

Nestled in the Blue Ridge foothills of Polk County, Tryon sits on metamorphic rock formations that can contain uranium-bearing minerals. Testing data for this 28782 mountain community remains limited, though the region's geology can support elevated radon levels. Many local homes feature basement or crawl space foundations that can facilitate radon accumulation.

4.00

pCi/L area average

Above EPA Action Level

Polk County average: 4.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Tryon 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+

Tryon, NC 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 Tryon, NC

No homeowner tests have been submitted for Tryon 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
Mill Spring	9.4 mi	4.00 pCi/L	1
Hendersonville	16.3 mi	9.00 pCi/L	2
Lake Lure	16.3 mi	10.00 pCi/L	1
Fairview	23.2 mi	4.00 pCi/L	1
Union Mills	23.4 mi	6.00 pCi/L	1
Pisgah Forest	24.5 mi	20.00 pCi/L	1
Black Mountain	26.6 mi	6.33 pCi/L	3
Old Fort	28.0 mi	4.00 pCi/L	1

Polk County Radon Profile

The soils and bedrock of Polk 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 Polk County average 4.00 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 Polk County to test, as levels can differ between neighboring homes.

Radon FAQ for Tryon, NC

What EPA Radon Zone is Tryon in?

Tryon and the 28782 zip code are in Polk 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 Tryon?

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

Radon mitigation in Tryon 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 Tryon?

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.