The following provides a list of radon concentration in private water wells in Ohio's counties. The list is divided alphabetically by county. Click on the first letter of the county name you are looking for.*
* No links have been provided for counties where data are not available. The above data does not include the monitoring records from The United States Geographic Survey Department.
To view the statistics of radon concentration in private water wells for the counties of Ohio, Click Here
To view a color-coded map of Ohio showing geometric mean radon concentrations in private water wells for the counties of Ohio, Click Here
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