Sweetwater, TN Radon Levels

Q: What EPA Radon Zone is Sweetwater in?

Sweetwater is in Monroe County, EPA Zone 1.

Q: How much does radon mitigation cost in Sweetwater?

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

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

Sweetwater, TN Radon Facts

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

County Monroe County, TN

Zip Code 37874

Part of the Knoxville Metro area in Monroe County, Sweetwater sits in the Tennessee Valley where limestone bedrock and karst features can create variable radon conditions throughout the region. The community includes both historic valley homes and newer residential development, many featuring basements or crawl spaces common to East Tennessee construction. Testing data for zip code 37874 is limited, making individual home testing important given the area's limestone geology.

9.00

pCi/L area average

Above EPA Action Level

Monroe County average: 9.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Sweetwater 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+

Sweetwater, 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 Sweetwater, TN

No homeowner tests have been submitted for Sweetwater 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
Loudon	11.0 mi	9.00 pCi/L	1
Athens	12.8 mi	15.00 pCi/L	1
Vonore	16.6 mi	9.00 pCi/L	1
Lenoir City	18.4 mi	8.00 pCi/L	1
Maryville	27.8 mi	10.50 pCi/L	2
Oliver Springs	30.7 mi	6.00 pCi/L	1
Oak Ridge	30.7 mi	7.00 pCi/L	2
Knoxville	36.8 mi	4.00 pCi/L	1

Monroe County Radon Profile

Monroe 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. Homeowner-submitted tests from 1 city in Monroe County average 9.00 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 Monroe County to test, as levels can differ between neighboring homes.

Radon FAQ for Sweetwater, TN

What EPA Radon Zone is Sweetwater in?

Sweetwater and the 37874 zip code are in Monroe 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 Sweetwater?

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

Radon mitigation in Sweetwater 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 Sweetwater?

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.