Granville, OH Radon Mitigation and Testing
Situated in Licking County within the Columbus Metro area, Granville sits on Ohio's glacial till over Devonian shale formations that consistently produce high radon levels throughout central Ohio. Recent testing data shows an average radon level of 15.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. These elevated readings in zip code 43023 demonstrate the critical need for radon testing and mitigation in all Granville homes, particularly given the area's geological conditions.
Based on 2 user-submitted radon tests for homes in Granville, OH. The EPA recommends taking action at or above 4.0 pCi/L.
Granville, OH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Granville, OH Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Granville, Ohio Radon Levels
User-submitted radon test readings from homes in the Granville area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 17 pCi/L | Granville, OH | 21-50 Years | Full Basement | Oct 2024 |
| 13 pCi/L | Granville, OH | 51-99 Years | No Basement/All Crawl Space | Feb 2019 |
Have a radon test result for Granville? Submit your reading to help other homeowners.
Granville Radon Facts
Key details about the radon risk profile for Granville and the 43023 zip code area.
Granville and the 43023 zip code are located in Licking 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 Granville, OH
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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 |