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Marathon Petroleum, former St. Paul Park refinery owner, paid $700K penalty for benzene release

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The former owner of the St. Paul Park oil refinery paid a $700,000 civil penalty for failing to properly treat wastewater containing the chemical benzene, the Minnesota Pollution Control Agency said Thursday.


Marathon Petroleum Co. illegally disposed of nearly 115 million gallons of wastewater containing benzene into an unprotected lagoon rather than removing the benzene at its wastewater treatment plant, the MPCA said. The lagoon is on refinery property near the Mississippi River.

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Scott Wente
Scott Wente has been editor at the South Washington County Bulletin since 2011. He worked as a reporter at other Forum Communications newspapers from 2003 to 2011. He is a graduate of the University of Wisconsin-River Falls.
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