Emmaus, PA Radon Levels

Q: What EPA Radon Zone is Emmaus in?

Emmaus is in Lehigh County, EPA Zone 1.

Q: Why are radon readings shown from areas near Emmaus?

No homeowner radon tests have been submitted for Emmaus yet, so readings from the closest cities and the Lehigh County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Emmaus?

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

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

Emmaus, PA Radon Facts

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

County Lehigh County, PA

Zip Code 18049

This historic borough in Lehigh County within the Allentown Metro sits in the Lehigh Valley, where Ordovician limestone and shale formations create significant radon potential throughout EPA Zone 1. While specific testing data for the 18049 area remains limited, the region's carbonate bedrock and older housing stock with stone foundations warrant careful attention. Homeowners should test regardless of home age, as radon can accumulate in both historic and modern construction.

7.25

pCi/L area average

Above EPA Action Level

Lehigh County average: 7.25 pCi/L, based on 4 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Emmaus 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+

Emmaus, 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 Emmaus, PA

No homeowner tests have been submitted for Emmaus 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
Center Valley	4.1 mi	11.00 pCi/L	1
Coopersburg	6.1 mi	7.00 pCi/L	1
Breinigsville	8.3 mi	6.00 pCi/L	1
Pennsburg	9.6 mi	9.00 pCi/L	1
Hellertown	9.9 mi	13.00 pCi/L	1
Quakertown	10.0 mi	5.00 pCi/L	1
Sellersville	15.0 mi	6.00 pCi/L	1
Slatington	15.5 mi	5.00 pCi/L	1

Lehigh County Radon Profile

Because of its underlying geology, Lehigh 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 4 cities in Lehigh County average 7.25 pCi/L across 4 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 Lehigh County home regardless of zone or a neighbor's results.

Radon FAQ for Emmaus, PA

What EPA Radon Zone is Emmaus in?

Emmaus and the 18049 zip code are in Lehigh 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 Emmaus?

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

Radon mitigation in Emmaus 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 Emmaus?

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.