Granville Summit, PA Radon Levels

Q: What EPA Radon Zone is Granville Summit in?

Granville Summit is in Bradford County, EPA Zone 1.

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

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

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

Granville Summit, PA Radon Facts

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

County Bradford County, PA

Zip Code 16926

Perched in Bradford County in northern Pennsylvania's Appalachian plateau region, Granville Summit sits on Devonian shale and sandstone formations that contribute to Pennsylvania's consistently high radon potential. Although specific radon data for zip code 16926 is not currently available, the area's geological setting and Pennsylvania's statewide radon trends suggest elevated levels are likely. Given Pennsylvania's ranking among the nation's highest radon states, all residents should prioritize testing regardless of home age or foundation type.

7.83

pCi/L area average

Above EPA Action Level

Bradford County average: 7.83 pCi/L, based on 6 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Granville 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+

Granville 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 Granville Summit, PA

No homeowner tests have been submitted for Granville 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
Monroeton	12.2 mi	20.00 pCi/L	1
Milan	16.9 mi	7.00 pCi/L	1
Sayre	22.3 mi	5.00 pCi/L	3
Sugar Run	24.7 mi	5.00 pCi/L	1
Wellsboro	30.4 mi	9.00 pCi/L	1
Montoursville	31.2 mi	14.00 pCi/L	1
Williamsport	36.7 mi	16.00 pCi/L	4
Jersey Shore	42.1 mi	15.00 pCi/L	1

Bradford County Radon Profile

The bedrock and soils beneath Bradford 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 4 cities in Bradford County average 7.83 pCi/L across 6 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 Bradford County.

Radon FAQ for Granville Summit, PA

What EPA Radon Zone is Granville Summit in?

Granville Summit and the 16926 zip code are in Bradford 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 Granville Summit?

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

Radon mitigation in Granville 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 Granville 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.