Clarendon, PA Radon Levels

Q: What EPA Radon Zone is Clarendon in?

Clarendon is in Warren County, EPA Zone 2.

Q: How much does radon mitigation cost in Clarendon?

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

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

Clarendon, PA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Warren County, PA

Zip Code 16313

Deep in Pennsylvania's northern forests, this Warren County community sits on Allegheny Plateau bedrock that can generate moderate radon levels. Limited testing data exists for the 16313 area, making home-by-home evaluation crucial for residents concerned about indoor air quality. The region's EPA Zone 2 status and wooded setting create conditions where radon can accumulate, particularly in homes with basement foundations.

19.00

pCi/L area average

Above EPA Action Level

Warren County average: 19.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Clarendon 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+

Clarendon, 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 Clarendon, PA

No homeowner tests have been submitted for Clarendon 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
Warren	7.8 mi	19.00 pCi/L	1
Fryburg	27.7 mi	4.00 pCi/L	1
Bradford	30.8 mi	5.50 pCi/L	2
Cranberry	37.0 mi	1.00 pCi/L	1
Saint Marys	38.3 mi	2.00 pCi/L	1
Brookville	39.5 mi	8.00 pCi/L	3
Franklin	40.8 mi	9.00 pCi/L	1
Reynoldsville	46.1 mi	6.00 pCi/L	1

Warren County Radon Profile

EPA mapping assigns Warren County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 1 city in Warren County average 19.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Warren County home regardless of zone or a neighbor's results.

Radon FAQ for Clarendon, PA

What EPA Radon Zone is Clarendon in?

Clarendon and the 16313 zip code are in Warren County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Clarendon?

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

Radon mitigation in Clarendon 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 Clarendon?

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.