Saint Henry, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint Henry in?

Saint Henry is in Mercer County, EPA Zone 1.

Q: How much does radon mitigation cost in Saint Henry?

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

Mercer County

EPA Zone 1

Rural Mercer County community Saint Henry falls within EPA Zone 1, indicating high radon potential across the 45883 zip code area. While specific local testing data is currently unavailable, Ohio's glacial till deposits over limestone bedrock create conditions highly conducive to radon gas production. Homeowners in this agricultural region should prioritize radon testing, particularly those with basement foundations common in older Midwest farmhouses.

Saint Henry, OH Radon Mitigation

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

Saint Henry, OH Radon Testing

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

Saint Henry Radon Facts

Key details about the radon risk profile for Saint Henry and the 45883 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Mercer County, OH

Zip Code

45883

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Saint Henry and the 45883 zip code are located in Mercer 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 Saint Henry, OH

What EPA Radon Zone is Saint Henry in?

Saint Henry and the 45883 zip code are in Mercer 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 Saint Henry?

Radon mitigation in Saint Henry 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 Saint Henry?

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