Watertown, TN Radon Levels

Q: What EPA Radon Zone is Watertown in?

Watertown is in Wilson County, EPA Zone 1.

Q: How much does radon mitigation cost in Watertown?

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

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

Watertown, TN Radon Facts

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

County Wilson County, TN

Zip Code 37184

Located in Wilson County east of Nashville, Watertown sits in an area where Tennessee's limestone bedrock can contribute to radon production. Though testing data for zip code 37184 is currently limited, the region's geological conditions and housing characteristics suggest radon testing is advisable. Homeowners in this Nashville Metro community should consider professional radon evaluation.

3.50

pCi/L area average

Below EPA Action Level

Wilson County average: 3.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Watertown 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+

Watertown, TN Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Watertown?

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Radon Readings Near Watertown, TN

No homeowner tests have been submitted for Watertown 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
Lebanon	9.1 mi	5.00 pCi/L	1
Gordonsville	10.1 mi	18.00 pCi/L	1
Mount Juliet	21.1 mi	2.00 pCi/L	1
Smyrna	22.1 mi	7.00 pCi/L	1
Buffalo Valley	22.3 mi	18.00 pCi/L	1
Hermitage	26.2 mi	4.00 pCi/L	1
Gallatin	26.3 mi	4.00 pCi/L	1
Old Hickory	28.0 mi	12.00 pCi/L	1

Wilson County Radon Profile

Wilson 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 2 cities in Wilson County average 3.50 pCi/L across 2 tests — below the EPA's 4 pCi/L action level, though radon varies sharply from home to home. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Wilson County to test, as levels can differ between neighboring homes.

Radon FAQ for Watertown, TN

What EPA Radon Zone is Watertown in?

Watertown and the 37184 zip code are in Wilson 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 Watertown?

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

Radon mitigation in Watertown 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 Watertown?

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.