Lake Koocanusa

Three U.S. officials from an international transboundary regulatory group will learn more about the upstream Canadian coal mine pollution flowing into...

Democratic Sen. Jon Tester Wednesday asked the U.S. State Department to put pressure on an international commission and the Canadian government to stem...

State environmental regulators Friday approved new standards for a heavy metal in Lake Koocanusa and the Kootenai River.

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

The expansion of a British Columbia coal mine upstream of Lake Koocanusa and the Kootenai River will undergo review from the federal Canadian government...

Pollution from British Columbia coal mining operations is making its way into Montana and Idaho’s Kootenai River. A U.S. Environmental Protection Agency...