Gap, PA Radon Levels

Q: What EPA Radon Zone is Gap in?

Gap is in Lancaster County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Gap yet, so readings from the closest cities and the Lancaster 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 Gap?

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

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

Gap, PA Radon Facts

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

County Lancaster County, PA

Zip Code 17527

Situated in Lancaster County within the Lancaster Metro area (zip code 17527), Gap lies in southeastern Pennsylvania's limestone-rich geology that can contribute to elevated radon levels. Since testing data for this community is currently limited, residents are encouraged to conduct radon testing in their homes. The region's typical housing stock, featuring basements and below-grade spaces, creates conditions where radon can accumulate to concerning levels.

9.00

pCi/L area average

Above EPA Action Level

Lancaster County average: 9.00 pCi/L, based on 15 user-submitted tests across 9 cities in the county. No homeowner readings have been submitted for Gap 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+

Gap, PA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Gap?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Lancaster County Pros

1-800-299-3578 610-255-7504 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Gap, PA

No homeowner tests have been submitted for Gap 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
Strasburg	10.1 mi	5.00 pCi/L	1
Morgantown	11.8 mi	8.00 pCi/L	1
Downingtown	14.8 mi	20.00 pCi/L	1
Willow Street	14.9 mi	10.00 pCi/L	1
Oxford	15.2 mi	4.00 pCi/L	1
Ephrata	15.5 mi	10.33 pCi/L	3
Elverson	15.5 mi	16.00 pCi/L	1
Lancaster	17.1 mi	18.00 pCi/L	1

Lancaster County Radon Profile

Lancaster 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 9 cities in Lancaster County average 9.00 pCi/L across 15 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 Lancaster County to test, as levels can differ between neighboring homes.

Radon FAQ for Gap, PA

What EPA Radon Zone is Gap in?

Gap and the 17527 zip code are in Lancaster 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 Gap?

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

Radon mitigation in Gap 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 Gap?

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.