EPA’s review analyzed how Ohio permits, inspects, tests, restricts and monitors Class II, or injection, wells.
Washington County has the most producing wells in the Marcellus region of Pennsylvania.
Carroll County’s 404 producing wells top all other producing wells in the state’s Utica and Marcellus Shale region.
Utica was initially billed to be an oil play comparable to the Eagle Ford, however that has proven to be wrong.
The ODNR has issued 1,996 permits for horizontal drilling in the Utica shale in Ohio since the state started issuing permits.
The ODNR is also reported a 160 percent increase in gas production when comparing the first and second quarters of 2014 to 2015.
Carroll County continues to have the largest number of producing wells in the state.
The southeastern portion of Ohio appears to be where oil well drillers are concentrating according to the latest numbers issued by the Ohio Department of Natural Resources.
A July update to members of the Pennsylvania Natural Gas Advisory Committee gave an overview of natural gas industry activity in forest districts through December 2014.