Blaine, TN Radon Levels

Q: What EPA Radon Zone is Blaine in?

Blaine is in Grainger County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Blaine yet, so readings from the closest cities and the Grainger 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 Blaine?

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

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

Blaine, TN Radon Facts

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

County Grainger County, TN

Zip Code 37709

Located in Grainger County within the Knoxville Metro area, Blaine sits in EPA Zone 1, suggesting high radon potential. The region's Appalachian geology, with limestone valleys and ridge formations, can contribute to elevated radon levels in residential properties. With comprehensive testing data not yet available for this 37709 community, homeowners should conduct radon testing to understand their specific risk levels.

8.31

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.31 pCi/L, based on 13 tests from 10 nearby cities. No readings have been submitted for Blaine 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+

Blaine, 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 Blaine, TN

No homeowner tests have been submitted for Blaine 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	10.4 mi	5.00 pCi/L	1
Jefferson City	11.4 mi	5.00 pCi/L	1
Knoxville	21.6 mi	4.00 pCi/L	1
Morristown	21.7 mi	7.00 pCi/L	2
White Pine	21.8 mi	4.00 pCi/L	1
Russellville	28.0 mi	9.00 pCi/L	1
Walland	29.1 mi	20.00 pCi/L	1
La Follette	29.4 mi	12.00 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 Blaine, TN

What EPA Radon Zone is Blaine in?

Blaine and the 37709 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 Blaine?

No homeowner radon tests have been submitted for Blaine 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 Blaine 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 Blaine?

Radon mitigation in Blaine 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 Blaine?

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.