Teck Resources

The Montana Board of Environmental Review is asking federal regulators to invalidate a water quality standard aimed at reducing pollution flowing into Montana from Canadian coal mines.

A disputed rule that sets an acceptable level of selenium pollution in a northwest Montana lake will stay in place after environmental officials agreed it complies with state law.

Montana environmental regulators are poised to make a decision on whether to throw out a water pollution standard for Lake Koocanusa and the Kootenai River in northwest Montana.

British Columbia coal mining company Teck Resources has agreed to pay a $60 million fine for polluting rivers upstream of Lake Koocanusa.Teck Resources…

State environmental regulators Friday approved new standards for a heavy metal in Lake Koocanusa and the Kootenai River.Montana Board of Environmental…

Montana environmental regulators took the first step last week to tighten pollution rules for toxins flowing into Lake Koocanusa and the Kootenai River.…