Monongahela, PA Radon Levels

Q: What EPA Radon Zone is Monongahela in?

Monongahela is in Washington County, EPA Zone 2.

Q: How much does radon mitigation cost in Monongahela?

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

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

Monongahela, PA Radon Facts

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

County Washington County, PA

Zip Code 15063

Located in Washington County within the Pittsburgh metro area, Monongahela sits atop Pennsylvania's coal-bearing geological formations that can produce moderate to elevated radon levels in residential settings. Testing data for this 15063 community remains insufficient to establish clear radon patterns, making individual home testing essential for residents. The area's mix of older riverfront homes and hillside properties each present distinct foundation challenges and radon entry pathways.

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 Monongahela 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+

Monongahela, 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 Monongahela, PA

No homeowner tests have been submitted for Monongahela 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
South Park	7.9 mi	7.00 pCi/L	2
West Newton	8.8 mi	6.00 pCi/L	1
Bethel Park	10.7 mi	10.00 pCi/L	1
Mckeesport	11.1 mi	7.00 pCi/L	1
Irwin	13.8 mi	10.00 pCi/L	1
Canonsburg	13.9 mi	8.33 pCi/L	3
West Mifflin	14.2 mi	9.00 pCi/L	1
Washington	17.6 mi	5.00 pCi/L	1

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 Monongahela, PA

What EPA Radon Zone is Monongahela in?

Monongahela and the 15063 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 Monongahela?

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

Radon mitigation in Monongahela 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 Monongahela?

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.