Sligo, PA Radon Levels

Q: What EPA Radon Zone is Sligo in?

Sligo is in Clarion County, EPA Zone 1.

Q: Why are radon readings shown from areas near Sligo?

No homeowner radon tests have been submitted for Sligo yet, so readings from the closest cities and the Clarion County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Sligo?

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

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

Sligo, PA Radon Facts

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

County Clarion County, PA

Zip Code 16255

Although specific testing data isn't available for Sligo in rural Clarion County, the EPA Zone 1 designation indicates high radon potential for this northwestern Pennsylvania community. Sedimentary bedrock formations throughout zip code 16255 can produce elevated radon levels in homes with basements. Individual testing provides the most reliable assessment for this geological region.

12.00

pCi/L area average

Above EPA Action Level

Clarion County average: 12.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Sligo itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Sligo, PA 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 Sligo, PA

No homeowner tests have been submitted for Sligo 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
Parker	10.9 mi	20.00 pCi/L	1
Karns City	14.5 mi	20.00 pCi/L	1
Cranberry	16.2 mi	1.00 pCi/L	1
Fryburg	18.2 mi	4.00 pCi/L	1
Kittanning	20.7 mi	13.50 pCi/L	2
Brookville	21.0 mi	8.00 pCi/L	3
Franklin	27.1 mi	9.00 pCi/L	1
Butler	27.8 mi	12.40 pCi/L	5

Clarion County Radon Profile

Clarion 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. Homeowner-submitted tests from 2 cities in Clarion County average 12.00 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Clarion County to test, as levels can differ between neighboring homes.

Radon FAQ for Sligo, PA

What EPA Radon Zone is Sligo in?

Sligo and the 16255 zip code are in Clarion 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 Sligo?

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

Radon mitigation in Sligo 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 Sligo?

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.