Seward, PA Radon Levels

Q: What EPA Radon Zone is Seward in?

Seward is in Indiana County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Seward yet, so readings from the closest cities and the Indiana 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 Seward?

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

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

Seward, PA Radon Facts

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

County Indiana County, PA

Zip Code 15954

Seward in Indiana County sits within the Pittsburgh Metro area in western Pennsylvania's coal-rich Appalachian region, where complex geology can create significant radon potential. The 15954 community features homes typical of former coal mining areas, including older structures with stone foundations and newer construction with modern basement systems. Given Pennsylvania's elevated radon levels and the absence of specific local data, comprehensive home testing is strongly recommended for all residents.

10.67

pCi/L area average

Above EPA Action Level

Indiana County average: 10.67 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Seward 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+

Seward, 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 Seward, PA

No homeowner tests have been submitted for Seward 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
Johnstown	8.2 mi	7.33 pCi/L	3
Blairsville	12.3 mi	15.00 pCi/L	1
Marion Center	25.7 mi	3.00 pCi/L	1
Greensburg	28.2 mi	6.50 pCi/L	2
Mount Pleasant	30.5 mi	7.00 pCi/L	1
Duncansville	30.8 mi	3.00 pCi/L	1
Apollo	30.8 mi	14.00 pCi/L	1
Marchand	30.9 mi	14.00 pCi/L	1

Indiana County Radon Profile

Indiana 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 3 cities in Indiana County average 10.67 pCi/L across 3 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 Indiana County to test, as levels can differ between neighboring homes.

Radon FAQ for Seward, PA

What EPA Radon Zone is Seward in?

Seward and the 15954 zip code are in Indiana 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 Seward?

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

Radon mitigation in Seward 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 Seward?

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.