Slippery Rock, PA Radon Levels

Q: What EPA Radon Zone is Slippery Rock in?

Slippery Rock is in Butler County, EPA Zone 1.

Q: How much does radon mitigation cost in Slippery Rock?

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

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

Slippery Rock, PA Radon Facts

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

County Butler County, PA

Zip Code 16057

Residents of Slippery Rock in Butler County face high radon potential based on the EPA Zone 1 designation, though specific local testing data remains limited. This Pittsburgh metro area community sits on sedimentary rock formations known for radon production across zip code 16057. University town housing with varying foundation types requires individual assessment to determine radon risk.

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 Slippery Rock 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+

Slippery Rock, 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 Slippery Rock, PA

No homeowner tests have been submitted for Slippery Rock 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
Grove City	8.2 mi	9.00 pCi/L	2
Butler	14.8 mi	12.40 pCi/L	5
New Wilmington	15.8 mi	4.00 pCi/L	1
New Castle	15.9 mi	20.00 pCi/L	1
Karns City	17.5 mi	20.00 pCi/L	1
Evans City	18.3 mi	5.00 pCi/L	1
Parker	19.0 mi	20.00 pCi/L	1
Zelienople	19.9 mi	5.00 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 Slippery Rock, PA

What EPA Radon Zone is Slippery Rock in?

Slippery Rock and the 16057 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 Slippery Rock?

No homeowner radon tests have been submitted for Slippery Rock 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 Slippery Rock 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 Slippery Rock?

Radon mitigation in Slippery Rock 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 Slippery Rock?

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.