Clarks Summit, PA Radon Levels

Q: What EPA Radon Zone is Clarks Summit in?

Clarks Summit is in Lackawanna County, EPA Zone 1.

Q: How much does radon mitigation cost in Clarks Summit?

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

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

Clarks Summit, PA Radon Facts

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

County Lackawanna County, PA

Zip Code 18411

Part of the Scranton Metro area in Lackawanna County, Clarks Summit sits in Pennsylvania's EPA Zone 1 region where the underlying bedrock geology creates high radon potential. Though testing data for zip code 18411 remains limited, the area's geological conditions and typical basement construction make radon testing essential for homeowners.

12.00

pCi/L area average

Above EPA Action Level

Lackawanna 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 Clarks Summit 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+

Clarks Summit, 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 Clarks Summit, PA

No homeowner tests have been submitted for Clarks Summit 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
Old Forge	8.3 mi	5.00 pCi/L	1
Nicholson	11.0 mi	20.00 pCi/L	1
Moscow	13.5 mi	19.00 pCi/L	1
Wyoming	13.9 mi	3.00 pCi/L	1
Lake Ariel	14.6 mi	6.00 pCi/L	2
Kingston	17.6 mi	14.00 pCi/L	1
Shavertown	18.9 mi	8.00 pCi/L	1
Plymouth	20.9 mi	5.00 pCi/L	1

Lackawanna County Radon Profile

The bedrock and soils beneath Lackawanna County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 2 cities in Lackawanna 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. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Lackawanna County.

Radon FAQ for Clarks Summit, PA

What EPA Radon Zone is Clarks Summit in?

Clarks Summit and the 18411 zip code are in Lackawanna 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 Clarks Summit?

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

Radon mitigation in Clarks Summit 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 Clarks Summit?

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.