Spring Valley, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is Spring Valley in?

Spring Valley is in Greene County, EPA Zone 1.

Q: How much does radon mitigation cost in Spring Valley?

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

Greene County

EPA Zone 1

Part of Greene County in the Dayton Metro area, Spring Valley sits within Ohio's EPA Zone 1 region where glacial deposits over limestone and shale bedrock contribute to elevated radon potential. Testing data for ZIP code 45370 is limited, though the high-risk designation warrants careful attention from area homeowners. Professional radon testing is essential given Ohio's geological conditions that favor radon accumulation in basements and enclosed spaces.

Spring Valley, OH Radon Mitigation

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

Spring Valley, OH Radon Testing

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

Spring Valley Radon Facts

Key details about the radon risk profile for Spring Valley and the 45370 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Greene County, OH

Zip Code

45370

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Spring Valley and the 45370 zip code are located in Greene 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 Spring Valley, OH

What EPA Radon Zone is Spring Valley in?

Spring Valley and the 45370 zip code are in Greene 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 Spring Valley?

Radon mitigation in Spring Valley 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 Spring Valley?

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