Speedwell, TN Radon Levels

Q: What EPA Radon Zone is Speedwell in?

Speedwell is in Claiborne County, EPA Zone 1.

Q: How much does radon mitigation cost in Speedwell?

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

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

Speedwell, TN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Claiborne County, TN

Zip Code 37870

Located in Claiborne County in the Cumberland Mountains region of East Tennessee, Speedwell sits atop limestone and dolomite formations that can create pockets of elevated radon despite the area's generally low radon classification. Testing data for this rural mountain community is limited, underscoring the need for individual property assessment. Local housing includes traditional Appalachian homes, mobile homes, and newer construction, with foundation types varying from full basements in older properties to crawl spaces in more recent builds.

6.64

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.64 pCi/L, based on 11 tests from 9 nearby cities. No readings have been submitted for Speedwell yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Speedwell, 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 Speedwell, TN

No homeowner tests have been submitted for Speedwell 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
La Follette	15.9 mi	12.00 pCi/L	1
Maynardville	17.0 mi	5.00 pCi/L	1
Jefferson City	31.2 mi	5.00 pCi/L	1
Morristown	34.4 mi	7.00 pCi/L	2
Knoxville	36.7 mi	4.00 pCi/L	1
Russellville	37.9 mi	9.00 pCi/L	1
White Pine	39.9 mi	4.00 pCi/L	1
Oak Ridge	40.6 mi	7.00 pCi/L	2

Claiborne County Radon Profile

The bedrock and soils beneath Claiborne County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Claiborne County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. 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 Claiborne County.

Radon FAQ for Speedwell, TN

What EPA Radon Zone is Speedwell in?

Speedwell and the 37870 zip code are in Claiborne 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.

Why are radon readings shown from areas near Speedwell?

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

Radon mitigation in Speedwell 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 Speedwell?

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.