Williamsport, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is Williamsport in?

Williamsport is in Pickaway County, EPA Zone 1.

Q: How much does radon mitigation cost in Williamsport?

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

Pickaway County

EPA Zone 1

Situated in Pickaway County within the Columbus Metro region, Williamsport sits on Ohio's glacial plains where till deposits can facilitate radon movement. Testing data for the 43164 area remains limited, emphasizing the need for individual radon assessments. The region's relatively flat terrain and agricultural history often feature homes with basements that can concentrate radon gas.

Williamsport, OH Radon Mitigation

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

Williamsport, OH Radon Testing

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

Williamsport Radon Facts

Key details about the radon risk profile for Williamsport and the 43164 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Pickaway County, OH

Zip Code

43164

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Williamsport and the 43164 zip code are located in Pickaway 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 Williamsport, OH

What EPA Radon Zone is Williamsport in?

Williamsport and the 43164 zip code are in Pickaway 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 Williamsport?

Radon mitigation in Williamsport 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 Williamsport?

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 Ohio

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

City	Avg User Radon Level	Submissions
Marietta	8.00 pCi/L	5
Cincinnati	5.20 pCi/L	5
Hilliard	11.75 pCi/L	4
Wilmington	5.25 pCi/L	4
Newark	15.00 pCi/L	3
Athens	11.33 pCi/L	3
Findlay	10.33 pCi/L	3
Perrysburg	9.67 pCi/L	3
Powell	8.33 pCi/L	3
Columbus	6.00 pCi/L	3
Chagrin Falls	4.67 pCi/L	3
Hamilton	10.00 pCi/L	2
Chardon	5.50 pCi/L	2
Strongsville	4.50 pCi/L	2
Maineville	10.00 pCi/L	1
Lancaster	9.00 pCi/L	1
West Chester	9.00 pCi/L	1
Amherst	6.00 pCi/L	1
Chillicothe	6.00 pCi/L	1
Lima	5.00 pCi/L	1