West Sunbury, PA Radon Levels

Q: What EPA Radon Zone is West Sunbury in?

West Sunbury is in Butler County, EPA Zone 1.

Q: How much does radon mitigation cost in West Sunbury?

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

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

West Sunbury, PA Radon Facts

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

County Butler County, PA

Zip Code 16061

Nestled in Butler County within the Pittsburgh Metro area, West Sunbury sits atop Pennsylvania's Allegheny Plateau where shale and sandstone bedrock can produce varying radon levels. The area's mix of older farmhouses and suburban homes, many with full basements, provides conditions where radon can accumulate. Testing data for West Sunbury remains limited, making individual home testing essential for residents in zip code 16061.

9.91

pCi/L area average

Above EPA Action Level

Butler County average: 9.91 pCi/L, based on 11 user-submitted tests across 6 cities in the county. No homeowner readings have been submitted for West Sunbury 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+

West Sunbury, 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 West Sunbury, PA

No homeowner tests have been submitted for West Sunbury 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
Karns City	8.3 mi	20.00 pCi/L	1
Butler	9.7 mi	12.40 pCi/L	5
Parker	11.8 mi	20.00 pCi/L	1
Grove City	15.4 mi	9.00 pCi/L	2
Evans City	18.1 mi	5.00 pCi/L	1
Zelienople	20.7 mi	5.00 pCi/L	2
Mars	22.5 mi	6.00 pCi/L	1
Kittanning	23.0 mi	13.50 pCi/L	2

Butler County Radon Profile

Because of its underlying geology, Butler 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 6 cities in Butler County average 9.91 pCi/L across 11 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 Butler County home regardless of zone or a neighbor's results.

Radon FAQ for West Sunbury, PA

What EPA Radon Zone is West Sunbury in?

West Sunbury and the 16061 zip code are in Butler 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 West Sunbury?

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

Radon mitigation in West Sunbury 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 West Sunbury?

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.