Madera, PA Radon Levels

Q: What EPA Radon Zone is Madera in?

Madera is in Clearfield County, EPA Zone 1.

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

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

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

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

Madera, PA Radon Facts

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

County Clearfield County, PA

Zip Code 16661

Positioned in Clearfield County in central Pennsylvania's 16661 area, this Madera community sits on sandstone and shale formations that contribute to Pennsylvania's elevated radon potential. Testing data is currently limited, making individual home assessment particularly important in this EPA Zone 1 region. Given Pennsylvania's high radon risk across most counties, professional testing is strongly recommended for all residents.

13.83

pCi/L area average

Above EPA Action Level

Clearfield County average: 13.83 pCi/L, based on 6 user-submitted tests across 5 cities in the county. No homeowner readings have been submitted for Madera 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+

Madera, 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 Madera, PA

No homeowner tests have been submitted for Madera 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
Houtzdale	3.4 mi	14.00 pCi/L	2
Curwensville	10.9 mi	4.00 pCi/L	1
Philipsburg	11.6 mi	10.00 pCi/L	2
Clearfield	13.4 mi	12.00 pCi/L	1
Grampian	13.8 mi	19.00 pCi/L	1
Altoona	21.7 mi	6.00 pCi/L	2
Du Bois	26.7 mi	20.00 pCi/L	1
Hollidaysburg	27.0 mi	7.00 pCi/L	1

Clearfield County Radon Profile

Because of its underlying geology, Clearfield County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 5 cities in Clearfield County average 13.83 pCi/L across 6 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 Clearfield County home regardless of zone or a neighbor's results.

Radon FAQ for Madera, PA

What EPA Radon Zone is Madera in?

Madera and the 16661 zip code are in Clearfield 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 Madera?

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

Radon mitigation in Madera 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 Madera?

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.