Sulphur, KY Radon Levels

Q: What EPA Radon Zone is Sulphur in?

Sulphur is in Henry County, EPA Zone 2.

Q: How much does radon mitigation cost in Sulphur?

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

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

Sulphur, KY Radon Facts

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

County Henry County, KY

Zip Code 40070

Sulphur in Henry County lies within the Louisville metro region where limestone bedrock beneath glacial deposits creates moderate radon potential across Kentucky's bluegrass area. Testing data for zip code 40070 remains limited, emphasizing the need for individual home radon testing among local families. The area's traditional housing stock, including many homes with full or partial basements, can trap radon effectively.

8.06

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.06 pCi/L, based on 17 tests from 10 nearby cities. No readings have been submitted for Sulphur 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+

Sulphur, KY 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 Sulphur?

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Radon Readings Near Sulphur, KY

No homeowner tests have been submitted for Sulphur 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	13.0 mi	7.00 pCi/L	1
Crestwood	15.8 mi	5.00 pCi/L	1
Goshen	18.1 mi	10.00 pCi/L	1
Frankfort	28.2 mi	7.80 pCi/L	5
Louisville	30.9 mi	5.50 pCi/L	2
Taylorsville	31.6 mi	6.00 pCi/L	1
Lawrenceburg	37.1 mi	5.00 pCi/L	1
Shepherdsville	41.2 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 Sulphur, KY

What EPA Radon Zone is Sulphur in?

Sulphur and the 40070 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 Sulphur?

No homeowner radon tests have been submitted for Sulphur 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 Sulphur 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 Sulphur?

Radon mitigation in Sulphur 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 Sulphur?

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.