Chevron, Linn Told to Halt California Wells on Water Concern
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California regulators ordered oil drillers including Chevron Corp. and Linn Energy LLC to halt operations at 12 injection wells in the state because of concerns they may taint groundwater.
The Division of Oil, Gas and Geothermal Resources said 10 of the well operators shut down voluntarily, while two were issued cease-and-desist orders. All the wells are located in Kern County, northeast of Los Angeles, are within a mile of the surface and 500 vertical feet underground of a water supply, the agency said. There is no evidence that drinking water has been contaminated, the agency said.