Columbus Grove, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is Columbus Grove in?

Columbus Grove is in Putnam County, EPA Zone 2.

Q: How much does radon mitigation cost in Columbus Grove?

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

Putnam County

EPA Zone 2

Located in northwestern Ohio's Putnam County, this small community sits in EPA Zone 2 where moderate radon levels are expected. Testing data for zip code 45830 is currently limited, making professional radon evaluation important for area homeowners. The region's flat terrain and agricultural setting can mask variable radon conditions in residential properties.

Columbus Grove, OH Radon Mitigation

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

Columbus Grove, OH Radon Testing

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

Columbus Grove Radon Facts

Key details about the radon risk profile for Columbus Grove and the 45830 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Putnam County, OH

Zip Code

45830

Predicted Screening Level

2–4 pCi/L (Zone 2)

Columbus Grove and the 45830 zip code are located in Putnam County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Columbus Grove, OH

What EPA Radon Zone is Columbus Grove in?

Columbus Grove and the 45830 zip code are in Putnam County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Columbus Grove?

Radon mitigation in Columbus Grove 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 Columbus Grove?

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