Newport, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Newport in?

Newport is in Cocke County, EPA Zone 2.

Q: How much does radon mitigation cost in Newport?

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

Cocke County

EPA Zone 2

Nestled in Cocke County at the foothills of the Great Smoky Mountains, Newport's location over sedimentary and metamorphic rock formations can contribute to variable radon production throughout the region. Testing data for zip code 37821 is currently limited, though East Tennessee's diverse geology creates potential for localized radon accumulation. Mountain valley homeowners should conduct professional radon testing, as the area's terrain and seasonal weather patterns may influence radon entry rates into homes with different foundation types.

Newport, TN Radon Mitigation

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

Newport, TN Radon Testing

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

Newport Radon Facts

Key details about the radon risk profile for Newport and the 37821 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Cocke County, TN

Zip Code

37821

Predicted Screening Level

2–4 pCi/L (Zone 2)

Newport and the 37821 zip code are located in Cocke 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 Newport, TN

What EPA Radon Zone is Newport in?

Newport and the 37821 zip code are in Cocke 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 Newport?

Radon mitigation in Newport 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 Newport?

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