Pen Argyl, PA Radon Levels

Q: What EPA Radon Zone is Pen Argyl in?

Pen Argyl is in Northampton County, EPA Zone 1.

Q: How much does radon mitigation cost in Pen Argyl?

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

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

Pen Argyl, PA Radon Facts

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

County Northampton County, PA

Zip Code 18072

Positioned in Northampton County within the Allentown Metro area, Pen Argyl sits in Pennsylvania's Lehigh Valley where limestone bedrock and reading prong geology create high radon potential throughout the region. The community's housing reflects its industrial heritage, with many early-to-mid 20th century homes featuring stone foundations and full basements typical of Pennsylvania construction. Without current radon testing data for zip code 18072, residents should prioritize testing given the area's geological predisposition to elevated radon levels.

13.64

pCi/L area average

Above EPA Action Level

Northampton County average: 13.64 pCi/L, based on 11 user-submitted tests across 5 cities in the county. No homeowner readings have been submitted for Pen Argyl 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+

Pen Argyl, 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 Pen Argyl, PA

No homeowner tests have been submitted for Pen Argyl 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
Bangor	5.1 mi	9.00 pCi/L	1
Sciota	5.9 mi	2.00 pCi/L	1
Saylorsburg	5.9 mi	5.50 pCi/L	2
Nazareth	7.8 mi	20.00 pCi/L	2
Gilbert	9.3 mi	20.00 pCi/L	1
Stroudsburg	9.5 mi	20.00 pCi/L	1
Bath	9.9 mi	14.00 pCi/L	1
Easton	10.8 mi	12.33 pCi/L	6

Northampton County Radon Profile

Because of its underlying geology, Northampton County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 5 cities in Northampton County average 13.64 pCi/L across 11 tests — 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 Northampton County home regardless of zone or a neighbor's results.

Radon FAQ for Pen Argyl, PA

What EPA Radon Zone is Pen Argyl in?

Pen Argyl and the 18072 zip code are in Northampton 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 Pen Argyl?

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

Radon mitigation in Pen Argyl 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 Pen Argyl?

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.