Williamsport, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Williamsport in?

Williamsport is in Maury County, EPA Zone 1.

Q: How much does radon mitigation cost in Williamsport?

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

Maury County

EPA Zone 1

Located in Maury County within the Nashville Metro area, Williamsport sits atop Tennessee's limestone-rich geology that can contribute to radon accumulation. Testing data for the 38487 zip code area is currently insufficient, making individual home assessment essential. The region's mix of historic farmhouses and newer construction both require testing, as radon levels can vary significantly based on foundation type and local geology.

Williamsport, TN Radon Mitigation

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

Williamsport, TN Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Williamsport Radon Facts

Key details about the radon risk profile for Williamsport and the 38487 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Maury County, TN

Zip Code

38487

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Williamsport and the 38487 zip code are located in Maury County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Williamsport, TN

What EPA Radon Zone is Williamsport in?

Williamsport and the 38487 zip code are in Maury 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.

How much does radon mitigation cost in Williamsport?

Radon mitigation in Williamsport 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 Williamsport?

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.

Most Active Radon Markets in Tennessee

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Elizabethton	7.33 pCi/L	3
Cleveland	5.33 pCi/L	3
Johnson City	4.33 pCi/L	3
Maryville	10.50 pCi/L	2
Columbia	8.50 pCi/L	2
Bristol	6.50 pCi/L	2
Chattanooga	5.00 pCi/L	2
Clarksville	20.00 pCi/L	1
Kingsport	5.00 pCi/L	1
Knoxville	4.00 pCi/L	1
Greeneville	No submissions	0
Murfreesboro	No submissions	0