Alcoa, TN Radon Levels

Q: What EPA Radon Zone is Alcoa in?

Alcoa is in Blount County, EPA Zone 1.

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

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

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

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

Alcoa, TN Radon Facts

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

County Blount County, TN

Zip Code 37701

This Blount County city in the greater Knoxville metro region lacks comprehensive radon testing data for the 37701 zip code area. Tennessee's Appalachian foothills geology, featuring limestone caverns and shale formations common to the eastern portion of the state, can create variable radon conditions. Professional testing is recommended for all residents, particularly those in homes with crawl spaces or basement areas where radon gas tends to accumulate most readily.

13.67

pCi/L area average

Above EPA Action Level

Blount County average: 13.67 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Alcoa 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+

Alcoa, 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 Alcoa, TN

No homeowner tests have been submitted for Alcoa 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
Maryville	4.9 mi	10.50 pCi/L	2
Walland	9.1 mi	20.00 pCi/L	1
Knoxville	12.5 mi	4.00 pCi/L	1
Lenoir City	14.7 mi	8.00 pCi/L	1
Vonore	20.5 mi	9.00 pCi/L	1
Loudon	20.7 mi	9.00 pCi/L	1
Oak Ridge	22.4 mi	7.00 pCi/L	2
Oliver Springs	26.9 mi	6.00 pCi/L	1

Blount County Radon Profile

Because of its underlying geology, Blount County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Blount County average 13.67 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Blount County home regardless of zone or a neighbor's results.

Radon FAQ for Alcoa, TN

What EPA Radon Zone is Alcoa in?

Alcoa and the 37701 zip code are in Blount 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 Alcoa?

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

Radon mitigation in Alcoa 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 Alcoa?

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.