Marble, PA Radon Levels

Q: What EPA Radon Zone is Marble in?

Marble is in Clarion County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Marble 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 Marble?

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

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

Marble, PA Radon Facts

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

County Clarion County, PA

Zip Code 16334

Located in Clarion County within Pennsylvania's northwestern region, Marble sits atop Pennsylvanian-age sedimentary rocks that can influence indoor radon levels. While specific testing data for zip code 16334 remains limited, the area's sandstone and shale geology creates conditions that merit homeowner attention. Professional radon assessment is recommended for this rural community, as individual properties can show significant variation based on local soil and bedrock characteristics.

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 Marble 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+

Marble, 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 Marble, PA

No homeowner tests have been submitted for Marble 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
Fryburg	3.6 mi	4.00 pCi/L	1
Cranberry	9.7 mi	1.00 pCi/L	1
Parker	20.0 mi	20.00 pCi/L	1
Franklin	20.7 mi	9.00 pCi/L	1
Brookville	22.0 mi	8.00 pCi/L	3
Karns City	26.4 mi	20.00 pCi/L	1
Reynoldsville	33.0 mi	6.00 pCi/L	1
Grove City	35.1 mi	9.00 pCi/L	2

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 Marble, PA

What EPA Radon Zone is Marble in?

Marble and the 16334 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 Marble?

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

Radon mitigation in Marble 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 Marble?

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.