coal ash

Four tall stacks billow white steam into a blue sky
Jackie Yamanaka / Yellowstone Public Radio

Montana is approving part of a plan to clean up groundwater contaminated by waste storage ponds at the Colstrip coal fired power plant after receiving more than 400 comments on the clean-up proposal.

Coal stacks at Colstrip Power plant
Kayla Deroches / Yellowstone Public Radio


Audio Pending...

A Montana agency on Feb. 11 released a cleanup plan for waste ponds at two of the Colstrip power plant’s four units.

Alexis Bonogofsky

Coal power plants in Wyoming and Montana are among those contaminating groundwater, as are most all coal plants, according to a new report from the Environmental Integrity Project and Earthjustice.