Worthington, PA Radon Levels

Q: What EPA Radon Zone is Worthington in?

Worthington is in Armstrong County, EPA Zone 1.

Q: How much does radon mitigation cost in Worthington?

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

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

Worthington, PA Radon Facts

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

County Armstrong County, PA

Zip Code 16262

Located in Armstrong County within Pennsylvania's Pittsburgh metropolitan region, Worthington sits atop Pennsylvanian-age bedrock where coal measures and shale create significant radon potential in EPA Zone 1. Limited testing data exists for this 16262 community, underscoring the importance of home-level radon measurement. The area's housing mix includes both historic homes with stone foundations and modern construction, all potentially affected by radon migration through soil and bedrock fractures.

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 Worthington 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+

Worthington, 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 Worthington, PA

No homeowner tests have been submitted for Worthington 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
Kittanning	6.4 mi	13.50 pCi/L	2
Karns City	12.2 mi	20.00 pCi/L	1
Butler	14.1 mi	12.40 pCi/L	5
Parker	18.4 mi	20.00 pCi/L	1
Apollo	19.6 mi	14.00 pCi/L	1
Gibsonia	22.1 mi	4.00 pCi/L	1
Evans City	22.8 mi	5.00 pCi/L	1
Mars	23.3 mi	6.00 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 Worthington, PA

What EPA Radon Zone is Worthington in?

Worthington and the 16262 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 Worthington?

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

Radon mitigation in Worthington 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 Worthington?

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.