Henderson, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Henderson in?

Henderson is in Chester County, EPA Zone 2.

Q: How much does radon mitigation cost in Henderson?

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

Chester County

EPA Zone 2

Situated in Chester County within the Jackson Metro area, Henderson currently lacks comprehensive radon testing data to establish local averages. The region's underlying limestone geology and mix of older homes with basements and newer construction on slabs create variable radon entry potential. Given Tennessee's diverse geological conditions, professional radon testing remains the only reliable way to determine individual home exposure levels.

Henderson, TN Radon Mitigation

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

Henderson, TN Radon Testing

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

Henderson Radon Facts

Key details about the radon risk profile for Henderson and the 38340 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Chester County, TN

Zip Code

38340

Predicted Screening Level

2–4 pCi/L (Zone 2)

Henderson and the 38340 zip code are located in Chester County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Henderson, TN

What EPA Radon Zone is Henderson in?

Henderson and the 38340 zip code are in Chester County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Henderson?

Radon mitigation in Henderson 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 Henderson?

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