New Castle, KY Radon Levels

Q: What EPA Radon Zone is New Castle in?

New Castle is in Henry County, EPA Zone 2.

Q: How much does radon mitigation cost in New Castle?

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

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

New Castle, KY Radon Facts

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

County Henry County, KY

Zip Code 40050

Situated in Henry County within the Louisville Metro area, New Castle lacks extensive radon testing data though the region's limestone bedrock can contribute to elevated indoor levels. Historic homes and newer developments in ZIP code 40050 may experience varying radon concentrations based on foundation types and soil conditions. Regular testing remains important for residents throughout this north-central Kentucky 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 New Castle 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+

New Castle, 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 New Castle, KY

No homeowner tests have been submitted for New Castle 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
Carrollton	16.0 mi	7.00 pCi/L	1
Crestwood	17.1 mi	5.00 pCi/L	1
Goshen	21.5 mi	10.00 pCi/L	1
Frankfort	22.6 mi	7.80 pCi/L	5
Taylorsville	29.2 mi	6.00 pCi/L	1
Lawrenceburg	31.8 mi	5.00 pCi/L	1
Louisville	32.2 mi	5.50 pCi/L	2
Versailles	36.6 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 New Castle, KY

What EPA Radon Zone is New Castle in?

New Castle and the 40050 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 New Castle?

No homeowner radon tests have been submitted for New Castle 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 New Castle 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 New Castle?

Radon mitigation in New Castle 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 New Castle?

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.