Walnut Bottom, PA Radon Mitigation and Testing

Q: What EPA Radon Zone is Walnut Bottom in?

Walnut Bottom is in Cumberland County, EPA Zone 1.

Q: How much does radon mitigation cost in Walnut Bottom?

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

Cumberland County

EPA Zone 1

Located in Cumberland County within the Harrisburg metropolitan area (ZIP 17266), Walnut Bottom sits in the Cumberland Valley where limestone bedrock underlies fertile agricultural soils. Testing data for this small community is currently limited, making individual home assessments particularly valuable for residents. Pennsylvania's limestone geology frequently produces elevated radon levels, and homeowners should prioritize testing regardless of home age or foundation type.

Walnut Bottom, PA Radon Mitigation

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

Walnut Bottom, PA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Walnut Bottom Radon Facts

Key details about the radon risk profile for Walnut Bottom and the 17266 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Cumberland County, PA

Zip Code

17266

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Walnut Bottom and the 17266 zip code are located in Cumberland County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Walnut Bottom, PA

What EPA Radon Zone is Walnut Bottom in?

Walnut Bottom and the 17266 zip code are in Cumberland 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.

How much does radon mitigation cost in Walnut Bottom?

Radon mitigation in Walnut Bottom 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 Walnut Bottom?

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.

Most Active Radon Markets in Pennsylvania

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
State College	10.00 pCi/L	14
Chambersburg	10.14 pCi/L	7
Easton	12.33 pCi/L	6
Butler	12.40 pCi/L	5
Dingmans Ferry	5.80 pCi/L	5
Hanover	14.00 pCi/L	4
Mechanicsburg	13.75 pCi/L	4
Greenville	10.75 pCi/L	4
Pittsburgh	9.25 pCi/L	4
Albrightsville	9.00 pCi/L	4
Philadelphia	8.00 pCi/L	4
Lackawaxen	15.33 pCi/L	3
York	11.67 pCi/L	3
Elizabethtown	9.67 pCi/L	3
Johnstown	7.33 pCi/L	3
West Chester	6.67 pCi/L	3
Danville	5.67 pCi/L	3
Springfield	5.67 pCi/L	3
East Stroudsburg	5.00 pCi/L	3
Langhorne	4.67 pCi/L	3