Knifley, KY Radon Levels

Q: What EPA Radon Zone is Knifley in?

Knifley is in Adair County, EPA Zone 1.

Q: How much does radon mitigation cost in Knifley?

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

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

Knifley, KY Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Adair County, KY

Zip Code 42753

Nestled in south-central Kentucky's Adair County, Knifley sits where karst limestone terrain creates significant radon potential throughout the region. The area's rural character and older housing stock, combined with Kentucky's documented radon concerns and limestone geology, make professional testing essential. Although specific data for zip code 42753 is currently limited, the surrounding region's geological conditions consistently produce elevated radon readings that often exceed EPA action levels.

11.31

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 11.31 pCi/L, based on 16 tests from 10 nearby cities. No readings have been submitted for Knifley 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+

Knifley, KY Radon Mitigation

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

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Radon Readings Near Knifley, KY

No homeowner tests have been submitted for Knifley 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
Campbellsville	12.7 mi	11.00 pCi/L	1
Jamestown	18.7 mi	8.00 pCi/L	1
Lebanon	23.7 mi	11.00 pCi/L	1
Nancy	27.5 mi	7.00 pCi/L	1
Perryville	30.2 mi	20.00 pCi/L	1
Somerset	35.8 mi	13.50 pCi/L	2
Danville	36.0 mi	10.33 pCi/L	3
Burnside	40.5 mi	10.00 pCi/L	1

Adair County Radon Profile

Adair County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Few homeowner tests have been logged inside Adair 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 Adair County to test, as levels can differ between neighboring homes.

Radon FAQ for Knifley, KY

What EPA Radon Zone is Knifley in?

Knifley and the 42753 zip code are in Adair 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.

Why are radon readings shown from areas near Knifley?

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

Radon mitigation in Knifley 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 Knifley?

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.