HARRISBURG, Pa. (AP) – A Tulsa, Oklahoma-based oil and natural gas exploration company is paying $1.2 million for polluting groundwater supplying five households in southwestern Pennsylvania in 2012.

The state Department of Environmental Protection announced the fine Monday against WPX Energy, which agreed to it in a December consent agreement.

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Officials say that a leak from a wastewater pit polluted groundwater below WPX’s Kalp wellsite in Westmoreland County, about 60 miles southeast of Pittsburgh. WPX says it paid for bottled water and water-treatment systems at the affected households. The company still must show that it has cleaned up the groundwater.

WPX says no individual’s health was ever at risk.

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WPX has sold of much of its holdings in the Marcellus Shale natural gas reservoir, and now operates just a handful of wells there.

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