Jefferson, PA Radon Levels

Q: What EPA Radon Zone is Jefferson in?

Jefferson is in Greene County, EPA Zone 2.

Q: How much does radon mitigation cost in Jefferson?

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

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

Jefferson, PA Radon Facts

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

County Greene County, PA

Zip Code 15344

Nestled in southwestern Pennsylvania's Greene County, Jefferson sits atop coal-bearing geological formations that can contribute to radon accumulation in homes. Testing data for this rural community (zip code 15344) is currently limited, making individual home testing particularly important for residents. The area's mix of older farmhouses and newer homes often feature basements where radon can concentrate.

7.46

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.46 pCi/L, based on 13 tests from 10 nearby cities. No readings have been submitted for Jefferson yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Jefferson, 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 Jefferson, PA

No homeowner tests have been submitted for Jefferson 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
Uniontown	17.3 mi	4.00 pCi/L	1
Washington	19.7 mi	5.00 pCi/L	1
Canonsburg	24.1 mi	8.33 pCi/L	3
West Newton	24.4 mi	6.00 pCi/L	1
South Park	25.0 mi	7.00 pCi/L	2
Bethel Park	26.8 mi	10.00 pCi/L	1
Mckeesport	30.3 mi	7.00 pCi/L	1
Irwin	31.8 mi	10.00 pCi/L	1

Greene County Radon Profile

The soils and bedrock of Greene County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Greene County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Greene County to test, as levels can differ between neighboring homes.

Radon FAQ for Jefferson, PA

What EPA Radon Zone is Jefferson in?

Jefferson and the 15344 zip code are in Greene 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 Jefferson?

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

Radon mitigation in Jefferson 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 Jefferson?

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.