Cascade Natural Gas Corp

MDU Resources Group Inc.’s affiliate, Cascade Natural Gas Corporation, faces a claim for soil and groundwater contamination at a site in Oregon.

The claim was received in 1995. There are potentially responsible parties (PRPs) in addition to Cascade that may be…

MDU Resources Group Inc.’s affiliate, Cascade Natural Gas Corporation, faces two claims for contamination at sites in Washington.

The first claim is for contamination at a site in Washington and was received in 1997. A preliminary investigation has found soil and…