Cowansville, PA Radon Levels

Q: What EPA Radon Zone is Cowansville in?

Cowansville is in Armstrong County, EPA Zone 1.

Q: How much does radon mitigation cost in Cowansville?

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

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

Cowansville, PA Radon Facts

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

County Armstrong County, PA

Zip Code 16218

Located in Armstrong County within the Pittsburgh Metro area, Cowansville sits on Pennsylvanian-era shale and coal formations that can produce elevated radon levels. Testing data for zip code 16218 remains limited, though western Pennsylvania's geological conditions often create significant radon risk. Homeowners should prioritize testing, particularly in the area's older homes with stone or block foundation walls.

13.50

pCi/L area average

Above EPA Action Level

Armstrong County average: 13.50 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Cowansville 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+

Cowansville, 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 Cowansville, PA

No homeowner tests have been submitted for Cowansville 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
Karns City	8.4 mi	20.00 pCi/L	1
Kittanning	8.6 mi	13.50 pCi/L	2
Parker	13.2 mi	20.00 pCi/L	1
Butler	16.3 mi	12.40 pCi/L	5
Apollo	25.3 mi	14.00 pCi/L	1
Evans City	26.2 mi	5.00 pCi/L	1
Cranberry	27.5 mi	1.00 pCi/L	1
Gibsonia	27.5 mi	4.00 pCi/L	1

Armstrong County Radon Profile

Armstrong 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 1 city in Armstrong County average 13.50 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 Armstrong County to test, as levels can differ between neighboring homes.

Radon FAQ for Cowansville, PA

What EPA Radon Zone is Cowansville in?

Cowansville and the 16218 zip code are in Armstrong 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 Cowansville?

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

Radon mitigation in Cowansville 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 Cowansville?

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.