Lilly, PA Radon Levels

Q: What EPA Radon Zone is Lilly in?

Lilly is in Cambria County, EPA Zone 2.

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

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

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

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

Lilly, PA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Cambria County, PA

Zip Code 15938

Central Pennsylvania's Cambria County encompasses Lilly, where Pennsylvanian sandstone and coal-bearing formations contribute to the region's moderate-to-high radon potential. Though testing data for this 15938 community is currently limited, Pennsylvania's statewide high radon prevalence makes professional assessment essential for all residents. The area's historical coal mining activity and complex sedimentary geology can create unpredictable radon patterns that require individual home evaluation.

7.33

pCi/L area average

Above EPA Action Level

Cambria County average: 7.33 pCi/L, based on 3 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Lilly 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+

Lilly, 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 Lilly, PA

No homeowner tests have been submitted for Lilly 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
Duncansville	9.7 mi	3.00 pCi/L	1
Altoona	13.3 mi	6.00 pCi/L	2
Hollidaysburg	13.4 mi	7.00 pCi/L	1
Johnstown	16.3 mi	7.33 pCi/L	3
Martinsburg	18.1 mi	15.00 pCi/L	1
James Creek	23.3 mi	20.00 pCi/L	1
Schellsburg	26.0 mi	20.00 pCi/L	1
Houtzdale	31.3 mi	14.00 pCi/L	2

Cambria County Radon Profile

EPA mapping assigns Cambria County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 1 city in Cambria County average 7.33 pCi/L across 3 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 Cambria County home regardless of zone or a neighbor's results.

Radon FAQ for Lilly, PA

What EPA Radon Zone is Lilly in?

Lilly and the 15938 zip code are in Cambria County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Lilly?

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

Radon mitigation in Lilly 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 Lilly?

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.