Prosperity, PA Radon Levels

Q: What EPA Radon Zone is Prosperity in?

Prosperity is in Washington County, EPA Zone 2.

Q: How much does radon mitigation cost in Prosperity?

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

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

Prosperity, PA Radon Facts

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

County Washington County, PA

Zip Code 15329

Nestled in Washington County southwest of Pittsburgh, Prosperity sits atop Pennsylvania's coal-bearing geology where Pennsylvanian-era bedrock can contribute to elevated radon accumulation. Many homes in this rural community feature full basements characteristic of the region's older construction, creating potential radon entry points through foundation cracks and gaps. With limited testing data available for zip code 15329, residents are encouraged to conduct professional radon testing to determine their home's specific risk level.

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 Prosperity 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+

Prosperity, 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 Prosperity, PA

No homeowner tests have been submitted for Prosperity 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
Washington	10.3 mi	5.00 pCi/L	1
Canonsburg	17.9 mi	8.33 pCi/L	3
South Park	23.4 mi	7.00 pCi/L	2
Bethel Park	23.7 mi	10.00 pCi/L	1
Burgettstown	26.0 mi	9.00 pCi/L	1
West Newton	29.5 mi	6.00 pCi/L	1
Uniontown	29.7 mi	4.00 pCi/L	1
Mckeesport	30.7 mi	7.00 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 Prosperity, PA

What EPA Radon Zone is Prosperity in?

Prosperity and the 15329 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 Prosperity?

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

Radon mitigation in Prosperity 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 Prosperity?

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.