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Duncansville, PA Radon Levels

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


Duncansville, PA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Blair County, PA
Zip Code 16635
Avg. User Level 3.00 pCi/L
User Tests 1

Located in the Appalachian foothills of Blair County, Duncansville shows radon testing at 3.0 pCi/L in zip code 16635. This reading falls within EPA recommended levels but still warrants attention from homeowners. The area's position within EPA Zone 1 and underlying sedimentary geology suggest continued monitoring is advisable for residents.

3.00
pCi/L average
Below EPA Action Level

Based on 1 user-submitted radon test for homes in Duncansville, PA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Duncansville, PA Radon Mitigation

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

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Duncansville, PA Radon Levels

User-submitted radon test readings from homes in the Duncansville area.

Radon LevelCityHome AgeFoundation
3 pCi/L Duncansville, PA 21-50 Years Partial Basement

Have a radon test result for Duncansville? Submit your reading to help other homeowners.

Radon Readings Near Duncansville, PA

Compare radon levels in Duncansville with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Hollidaysburg 3.8 mi 7.00 pCi/L 1
Altoona 6.3 mi 6.00 pCi/L 2
Martinsburg 10.9 mi 15.00 pCi/L 1
James Creek 14.0 mi 20.00 pCi/L 1
Huntingdon 23.4 mi 20.00 pCi/L 1
Johnstown 25.6 mi 7.33 pCi/L 3
Houtzdale 28.2 mi 14.00 pCi/L 2
Schellsburg 28.3 mi 20.00 pCi/L 1

Blair County Radon Profile

Blair 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 4 cities in Blair County average 7.40 pCi/L across 5 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 Blair County to test, as levels can differ between neighboring homes.

Radon FAQ for Duncansville, PA

What is the average radon level in Duncansville, PA?
Based on 1 user-submitted test, the average radon level in Duncansville is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.
What EPA Radon Zone is Duncansville in?
Duncansville and the 16635 zip code are in Blair 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.
How much does radon mitigation cost in Duncansville?
Radon mitigation in Duncansville 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 Duncansville?
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.