Hilliards, PA Radon Levels

Q: What EPA Radon Zone is Hilliards in?

Hilliards is in Butler County, EPA Zone 1.

Q: How much does radon mitigation cost in Hilliards?

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

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

Hilliards, PA Radon Facts

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

County Butler County, PA

Zip Code 16040

Positioned within Butler County in the Pittsburgh Metro region, Hilliards sits over sedimentary bedrock formations typical of western Pennsylvania's Appalachian Plateau. The rural community in zip code 16040 features a mix of older farmhouses and newer residential construction, many with full basements common to the area. Current testing data is limited, making individual radon testing important for local homeowners.

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 Hilliards 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+

Hilliards, 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 Hilliards, PA

No homeowner tests have been submitted for Hilliards 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
Parker	6.9 mi	20.00 pCi/L	1
Karns City	8.8 mi	20.00 pCi/L	1
Grove City	14.3 mi	9.00 pCi/L	2
Butler	16.9 mi	12.40 pCi/L	5
Cranberry	18.1 mi	1.00 pCi/L	1
Franklin	21.0 mi	9.00 pCi/L	1
Evans City	25.4 mi	5.00 pCi/L	1
Kittanning	25.5 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 Hilliards, PA

What EPA Radon Zone is Hilliards in?

Hilliards and the 16040 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 Hilliards?

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

Radon mitigation in Hilliards 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 Hilliards?

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.