Washington Boro, PA Radon Levels

Q: What EPA Radon Zone is Washington Boro in?

Washington Boro is in Lancaster County, EPA Zone 1.

Q: How much does radon mitigation cost in Washington Boro?

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

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

Washington Boro, PA Radon Facts

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

County Lancaster County, PA

Zip Code 17582

Located in Lancaster County within the Lancaster Metro area, this historic Pennsylvania community sits on limestone bedrock known for producing significant radon levels statewide. Testing data for zip code 17582 is currently limited, but the area's geological setting strongly suggests homeowners should test for radon. The community's mix of older stone foundations and newer construction both warrant testing given Pennsylvania's high radon potential.

9.00

pCi/L area average

Above EPA Action Level

Lancaster County average: 9.00 pCi/L, based on 15 user-submitted tests across 9 cities in the county. No homeowner readings have been submitted for Washington Boro 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+

Washington Boro, 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 Washington Boro, PA

No homeowner tests have been submitted for Washington Boro 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
Wrightsville	4.6 mi	10.50 pCi/L	2
Lancaster	7.4 mi	18.00 pCi/L	1
Marietta	8.5 mi	5.00 pCi/L	1
Willow Street	8.9 mi	10.00 pCi/L	1
Mount Joy	9.1 mi	4.00 pCi/L	1
Dallastown	12.4 mi	6.00 pCi/L	1
Manheim	12.6 mi	5.00 pCi/L	2
Strasburg	13.6 mi	5.00 pCi/L	1

Lancaster County Radon Profile

Lancaster County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 9 cities in Lancaster County average 9.00 pCi/L across 15 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Lancaster County to test, as levels can differ between neighboring homes.

Radon FAQ for Washington Boro, PA

What EPA Radon Zone is Washington Boro in?

Washington Boro and the 17582 zip code are in Lancaster 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 Washington Boro?

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

Radon mitigation in Washington Boro 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 Washington Boro?

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.