Powder Springs, TN Radon Levels

Q: What EPA Radon Zone is Powder Springs in?

Powder Springs is in Grainger County, EPA Zone 1.

Q: How much does radon mitigation cost in Powder Springs?

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

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

Powder Springs, TN Radon Facts

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

County Grainger County, TN

Zip Code 37848

Situated in Grainger County within the Knoxville Metro area, this small community lies in Tennessee's Ridge and Valley region where limestone bedrock creates high radon potential. The area's karst topography and underground cave systems can facilitate radon gas migration into homes through foundation cracks. Though testing data for zip code 37848 is currently limited, the geological setting strongly suggests residents should test for radon.

7.75

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.75 pCi/L, based on 12 tests from 10 nearby cities. No readings have been submitted for Powder Springs 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+

Powder Springs, 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 Powder Springs, TN

No homeowner tests have been submitted for Powder Springs 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
Maynardville	8.9 mi	5.00 pCi/L	1
Jefferson City	13.8 mi	5.00 pCi/L	1
Morristown	21.6 mi	7.00 pCi/L	2
White Pine	23.9 mi	4.00 pCi/L	1
Knoxville	25.2 mi	4.00 pCi/L	1
La Follette	26.3 mi	12.00 pCi/L	1
Russellville	27.3 mi	9.00 pCi/L	1
Walland	34.3 mi	20.00 pCi/L	1

Grainger County Radon Profile

Grainger County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Few homeowner tests have been logged inside Grainger County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Grainger County to test, as levels can differ between neighboring homes.

Radon FAQ for Powder Springs, TN

What EPA Radon Zone is Powder Springs in?

Powder Springs and the 37848 zip code are in Grainger 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 Powder Springs?

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

Radon mitigation in Powder Springs 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 Powder Springs?

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.