Darden, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Darden in?

Darden is in Henderson County, EPA Zone 2.

Q: How much does radon mitigation cost in Darden?

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

Henderson County

EPA Zone 2

Western Tennessee's Henderson County sits in EPA Zone 2, where Mississippi Embayment sediments and underlying limestone create moderate radon potential conditions. Rural housing in this agricultural area includes a mix of older farmhouses and newer construction, often with crawl spaces or partial basements. Testing data for zip code 38328 is currently limited, making professional radon testing important for residents to understand their specific exposure levels in this geological transition zone.

Darden, TN Radon Mitigation

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

Darden, TN Radon Testing

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

Darden Radon Facts

Key details about the radon risk profile for Darden and the 38328 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Henderson County, TN

Zip Code

38328

Predicted Screening Level

2–4 pCi/L (Zone 2)

Darden and the 38328 zip code are located in Henderson 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 Darden, TN

What EPA Radon Zone is Darden in?

Darden and the 38328 zip code are in Henderson 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 Darden?

Radon mitigation in Darden 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 Darden?

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