Carrolltown, PA Radon Levels

Q: What EPA Radon Zone is Carrolltown in?

Carrolltown is in Cambria County, EPA Zone 2.

Q: How much does radon mitigation cost in Carrolltown?

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

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

Carrolltown, PA Radon Facts

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

County Cambria County, PA

Zip Code 15722

Situated in Cambria County within Pennsylvania's Appalachian region, Carrolltown lies in EPA Zone 2, indicating moderate-to-high radon potential from the area's complex geology. The community's location atop coal-bearing formations and limestone bedrock creates conditions where radon can accumulate in basements and lower levels. With limited testing data available for zip code 15722, homeowners should prioritize radon testing, especially in older properties with stone or block foundations.

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 Carrolltown 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+

Carrolltown, 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 Carrolltown, PA

No homeowner tests have been submitted for Carrolltown yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
4 pCi/L	Altoona, PA	16.8 mi	51-99 Years	Full Basement	Jun 2018
8 pCi/L	Altoona, PA	16.8 mi	0-20 Years	Full Basement	May 2016
3 pCi/L	Duncansville, PA	17.9 mi	21-50 Years	Partial Basement	Jan 2020
7 pCi/L	Hollidaysburg, PA	20.4 mi	51-99 Years	Full Basement	Oct 2021
5 pCi/L	Johnstown, PA	20.8 mi	51-99 Years	Full Basement	Oct 2021
10 pCi/L	Johnstown, PA	20.8 mi	—	Full Basement	May 2021
7 pCi/L	Johnstown, PA	20.8 mi	21-50 Years	Full Basement	Jul 2018
3 pCi/L	Marion Center, PA	21.5 mi	100+ Years	Partial Basement	Oct 2023

Readings are drawn from the nearest cities with submitted data. Have a result for Carrolltown? Submit your reading to help your neighbors.

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 Carrolltown, PA

What EPA Radon Zone is Carrolltown in?

Carrolltown and the 15722 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 Carrolltown?

No homeowner radon tests have been submitted for Carrolltown 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 Carrolltown 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 Carrolltown?

Radon mitigation in Carrolltown 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 Carrolltown?

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.

Radon Levels Near Carrolltown, PA

User-submitted radon levels from the cities closest to Carrolltown with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Altoona	16.8 mi	6.00 pCi/L	2
Duncansville	17.9 mi	3.00 pCi/L	1
Hollidaysburg	20.4 mi	7.00 pCi/L	1
Johnstown	20.8 mi	7.33 pCi/L	3
Marion Center	21.5 mi	3.00 pCi/L	1
Houtzdale	24.5 mi	14.00 pCi/L	2
Marchand	25.0 mi	14.00 pCi/L	1