COLUMBUS, Ohio — A dozen earthquakes in northeastern Ohio were almost certainly induced by injection of gas-drilling wastewater into the earth, state regulators said Friday as they announced a series of tough new rules for drillers.
Among the new regulations: Well operators must submit more comprehensive geological data when requesting a drill site, and the chemical makeup of all drilling wastewater must be tracked electronically.
Both could mean extra costs for gas drillers looking for new wells and ways to get rid of wastewater – much of which is trucked into Ohio from Pennsylvania, the region's top gas-producing state.
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