Donora, PA Radon Levels

Q: What EPA Radon Zone is Donora in?

Donora is in Washington County, EPA Zone 2.

Q: Why are radon readings shown from areas near Donora?

No homeowner radon tests have been submitted for Donora yet, so readings from the closest cities and the Washington County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Donora?

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

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

Donora, PA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Washington County, PA

Zip Code 15033

Positioned along the Monongahela River in Washington County within the Pittsburgh metro area, Donora sits in EPA Zone 2 where Pennsylvanian-era rock formations contribute to moderate radon potential. With limited testing data available for zip code 15033, residents should prioritize professional radon testing to assess their individual exposure risk. The community's older housing stock and river valley location make testing especially relevant.

7.80

pCi/L area average

Above EPA Action Level

Washington County average: 7.80 pCi/L, based on 5 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Donora 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+

Donora, PA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Donora?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Washington County Pros

1-800-299-3578 412-253-2815 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Donora, PA

No homeowner tests have been submitted for Donora 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
West Newton	5.9 mi	6.00 pCi/L	1
South Park	10.7 mi	7.00 pCi/L	2
Mckeesport	11.8 mi	7.00 pCi/L	1
Irwin	12.3 mi	10.00 pCi/L	1
Bethel Park	13.7 mi	10.00 pCi/L	1
West Mifflin	16.0 mi	9.00 pCi/L	1
Jeannette	16.8 mi	5.00 pCi/L	1
Canonsburg	17.3 mi	8.33 pCi/L	3

Washington County Radon Profile

EPA mapping assigns Washington County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 3 cities in Washington County average 7.80 pCi/L across 5 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 Washington County home regardless of zone or a neighbor's results.

Radon FAQ for Donora, PA

What EPA Radon Zone is Donora in?

Donora and the 15033 zip code are in Washington County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Donora?

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

Radon mitigation in Donora 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 Donora?

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.