Del Rio, TN Radon Levels

Q: What EPA Radon Zone is Del Rio in?

Del Rio is in Cocke County, EPA Zone 2.

Q: How much does radon mitigation cost in Del Rio?

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

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

Del Rio, TN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Cocke County, TN

Zip Code 37727

Situated in the foothills of Cocke County near the Great Smoky Mountains, Del Rio's geology includes limestone formations that can contribute to radon production. Testing data for zip code 37727 remains limited, encouraging residents to conduct individual home assessments. The area's mix of mountain homes and traditional construction with basement and crawl space foundations requires careful radon evaluation.

7.07

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.07 pCi/L, based on 15 tests from 9 nearby cities. No readings have been submitted for Del Rio yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Del Rio, 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 Del Rio?

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Radon Readings Near Del Rio, TN

No homeowner tests have been submitted for Del Rio 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
White Pine	20.8 mi	4.00 pCi/L	1
Morristown	27.5 mi	7.00 pCi/L	2
Russellville	27.6 mi	9.00 pCi/L	1
Jefferson City	30.6 mi	5.00 pCi/L	1
Limestone	33.6 mi	7.00 pCi/L	1
Telford	36.6 mi	12.00 pCi/L	1
Jonesborough	40.9 mi	7.00 pCi/L	2
Walland	46.2 mi	20.00 pCi/L	1

Cocke County Radon Profile

The soils and bedrock of Cocke County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Cocke County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Cocke County to test, as levels can differ between neighboring homes.

Radon FAQ for Del Rio, TN

What EPA Radon Zone is Del Rio in?

Del Rio and the 37727 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.

Why are radon readings shown from areas near Del Rio?

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

Radon mitigation in Del Rio 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 Del Rio?

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.