Smithfield, KY Radon Levels

Q: What EPA Radon Zone is Smithfield in?

Smithfield is in Henry County, EPA Zone 2.

Q: How much does radon mitigation cost in Smithfield?

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

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

Smithfield, KY Radon Facts

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

County Henry County, KY

Zip Code 40068

Found in Henry County within the Louisville Metro area, Smithfield sits on Ordovician limestone bedrock that contributes to moderate radon potential across Kentucky's Bluegrass region. The area features a blend of historic homes and modern suburban development, typically with full basements or walkout basements that can accumulate radon gas. With testing data currently limited for zip code 40068, homeowners should consider professional radon testing to establish baseline levels in this EPA Zone 2 community.

9.20

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 9.20 pCi/L, based on 15 tests from 10 nearby cities. No readings have been submitted for Smithfield 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+

Smithfield, 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 Smithfield, KY

No homeowner tests have been submitted for Smithfield 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
Crestwood	11.4 mi	5.00 pCi/L	1
Goshen	16.6 mi	10.00 pCi/L	1
Carrollton	19.7 mi	7.00 pCi/L	1
Frankfort	24.7 mi	7.80 pCi/L	5
Taylorsville	24.8 mi	6.00 pCi/L	1
Louisville	26.5 mi	5.50 pCi/L	2
Lawrenceburg	31.6 mi	5.00 pCi/L	1
Shepherdsville	35.4 mi	20.00 pCi/L	1

Henry County Radon Profile

EPA mapping assigns Henry County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Henry County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Henry County home regardless of zone or a neighbor's results.

Radon FAQ for Smithfield, KY

What EPA Radon Zone is Smithfield in?

Smithfield and the 40068 zip code are in Henry 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 Smithfield?

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

Radon mitigation in Smithfield 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 Smithfield?

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.