Imperial, PA Radon Levels

Q: What EPA Radon Zone is Imperial in?

Imperial is in Allegheny County, EPA Zone 1.

Q: How much does radon mitigation cost in Imperial?

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

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

Imperial, PA Radon Facts

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

County Allegheny County, PA

Zip Code 15126

This Allegheny County community in the Pittsburgh Metro area sits in EPA Zone 1, where radon levels can be significantly elevated. Imperial's housing stock includes both historic homes and newer suburban developments, many with full basements common to southwestern Pennsylvania. While specific radon data for the 15126 area is limited, professional testing remains crucial given the region's geological radon potential.

9.36

pCi/L area average

Above EPA Action Level

Allegheny County average: 9.36 pCi/L, based on 14 user-submitted tests across 10 cities in the county. No homeowner readings have been submitted for Imperial 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+

Imperial, 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 Imperial, PA

No homeowner tests have been submitted for Imperial 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
Sewickley	8.8 mi	15.00 pCi/L	2
Burgettstown	9.0 mi	9.00 pCi/L	1
Aliquippa	9.7 mi	4.00 pCi/L	1
Ambridge	10.2 mi	20.00 pCi/L	1
Canonsburg	14.0 mi	8.33 pCi/L	3
Pittsburgh	14.6 mi	9.25 pCi/L	4
Bethel Park	15.2 mi	10.00 pCi/L	1
West Mifflin	17.3 mi	9.00 pCi/L	1

Allegheny County Radon Profile

The bedrock and soils beneath Allegheny County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 10 cities in Allegheny County average 9.36 pCi/L across 14 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Allegheny County.

Radon FAQ for Imperial, PA

What EPA Radon Zone is Imperial in?

Imperial and the 15126 zip code are in Allegheny 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 Imperial?

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

Radon mitigation in Imperial 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 Imperial?

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.