Waterfall, PA Radon Levels

Q: What EPA Radon Zone is Waterfall in?

Waterfall is in Fulton County, EPA Zone 1.

Q: How much does radon mitigation cost in Waterfall?

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

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

Waterfall, PA Radon Facts

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

County Fulton County, PA

Zip Code 16689

Positioned in Fulton County in south-central Pennsylvania's Ridge and Valley region, Waterfall lies within EPA Zone 1 where elevated radon levels are common throughout the state. The area's complex geology of folded limestone, sandstone, and shale formations creates highly variable radon conditions that can differ dramatically between neighboring properties. With testing data unavailable for zip code 16689, homeowners should conduct radon testing given Pennsylvania's consistently high radon potential across diverse geological settings.

8.00

pCi/L area average

Above EPA Action Level

Fulton County average: 8.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Waterfall 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+

Waterfall, 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 Waterfall, PA

No homeowner tests have been submitted for Waterfall 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
Mc Connellsburg	13.2 mi	8.00 pCi/L	1
James Creek	17.2 mi	20.00 pCi/L	1
Martinsburg	18.0 mi	15.00 pCi/L	1
Mercersburg	22.8 mi	6.50 pCi/L	2
Huntingdon	26.1 mi	20.00 pCi/L	1
Chambersburg	26.3 mi	10.14 pCi/L	7
Hollidaysburg	26.9 mi	7.00 pCi/L	1
Duncansville	28.6 mi	3.00 pCi/L	1

Fulton County Radon Profile

Because of its underlying geology, Fulton 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 1 city in Fulton County average 8.00 pCi/L across 1 test — 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 Fulton County home regardless of zone or a neighbor's results.

Radon FAQ for Waterfall, PA

What EPA Radon Zone is Waterfall in?

Waterfall and the 16689 zip code are in Fulton 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 Waterfall?

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

Radon mitigation in Waterfall 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 Waterfall?

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.