NorthWestern Energy announced it will let more water out of Hebgen Dam near West Yellowstone. The increase begins next Friday, and the extra water is expected to help clean out spawning gravels for ...

The leak has dropped the level of Hebgen Lake by 8 feet, forcing boat owners to leave docks. Water gushing out of the dam has bolstered flows in the Madison River to levels even higher than those ...

Engineers plan to lower a giant plug into the intakes at Hebgen Dam to stop the flow of water while at the same time opening gates to push the flow into the dam's spillway, a spokesman for PPL Montana ...

ENNIS (AP) — Engineers Tuesday tried to determine how best to control the flow of water through failed headgates at Hebgen Dam, a failure that allowed heightened flows and led to evacuation of some ...