The court said the review fell short because it didn't address impact of oil spill on Lake Superior watershed. By Mike Hughlett Star Tribune The Minnesota Court of Appeals has reversed a ruling by Minnesota utility regulators on the environmental impact statement done for Enbridge's Line 3 pipeline. The court ruled Monday that the environmental impact statement was “inadequate because it didn't address the potential impact of an oil spill into the Lake Superior watershed.” The Minnesota Public Utilities Commission (PUC) last year approved the environmental impact statement, which was done b...