Westport, PA Radon Levels

Q: What EPA Radon Zone is Westport in?

Westport is in Clinton County, EPA Zone 1.

Q: How much does radon mitigation cost in Westport?

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

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

Westport, PA Radon Facts

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

County Clinton County, PA

Zip Code 17778

Situated in Clinton County in north-central Pennsylvania, Westport lies within the Appalachian region where sedimentary rock formations can contribute to elevated radon concentrations. The area's EPA Zone 1 designation reflects the high radon potential typical of Pennsylvania's geological setting, particularly in areas with uranium-bearing bedrock. Though specific radon testing data for zip code 17778 is not yet available, residents should prioritize professional testing given the region's known radon concerns and prevalence of basement foundations.

4.50

pCi/L area average

Above EPA Action Level

Clinton County average: 4.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Westport 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+

Westport, 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 Westport, PA

No homeowner tests have been submitted for Westport 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
Renovo	10.5 mi	3.00 pCi/L	1
Emporium	23.7 mi	6.00 pCi/L	1
Lock Haven	27.0 mi	6.00 pCi/L	1
Bellefonte	27.3 mi	13.00 pCi/L	2
Philipsburg	30.7 mi	10.00 pCi/L	2
Clearfield	31.9 mi	12.00 pCi/L	1
State College	32.9 mi	9.93 pCi/L	15
Centre Hall	33.8 mi	15.00 pCi/L	1

Clinton County Radon Profile

Clinton 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 Clinton County average 4.50 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 Clinton County to test, as levels can differ between neighboring homes.

Radon FAQ for Westport, PA

What EPA Radon Zone is Westport in?

Westport and the 17778 zip code are in Clinton 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 Westport?

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

Radon mitigation in Westport 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 Westport?

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.