Broad Top, PA Radon Levels

Q: What EPA Radon Zone is Broad Top in?

Broad Top is in Huntingdon County, EPA Zone 1.

Q: How much does radon mitigation cost in Broad Top?

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

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

Broad Top, PA Radon Facts

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

County Huntingdon County, PA

Zip Code 16621

Nestled in south-central Pennsylvania's Huntingdon County, Broad Top sits within the Appalachian coal region where sedimentary bedrock can influence radon production. Current testing data for zip code 16621 remains limited, making individual home assessment crucial for residents. The area's mountainous terrain and mix of older mining-era homes and newer construction creates varying radon potential across the community.

20.00

pCi/L area average

Above EPA Action Level

Huntingdon County average: 20.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Broad Top 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+

Broad Top, 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 Broad Top, PA

No homeowner tests have been submitted for Broad Top 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
James Creek	11.0 mi	20.00 pCi/L	1
Martinsburg	11.6 mi	15.00 pCi/L	1
Mc Connellsburg	19.5 mi	8.00 pCi/L	1
Hollidaysburg	20.3 mi	7.00 pCi/L	1
Huntingdon	21.9 mi	20.00 pCi/L	1
Duncansville	22.0 mi	3.00 pCi/L	1
Altoona	25.5 mi	6.00 pCi/L	2
Schellsburg	28.8 mi	20.00 pCi/L	1

Huntingdon County Radon Profile

Huntingdon 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 Huntingdon County average 20.00 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 Huntingdon County to test, as levels can differ between neighboring homes.

Radon FAQ for Broad Top, PA

What EPA Radon Zone is Broad Top in?

Broad Top and the 16621 zip code are in Huntingdon 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 Broad Top?

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

Radon mitigation in Broad Top 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 Broad Top?

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.