Author: Brandon Loomis, Arizona Republic

The $250 million announced Friday, which is expected to help the Colorado River and Lake Mead this year, is part of a $4 billion drought-relief fund.

In Las Vegas, a war on turf has helped reduce water use. In Arizona, experts say urban cutbacks may be needed as part of a wider plan.

Biologists who discovered non-native smallmouth bass below Glen Canyon Dam will poison them to protect native Colorado River fish.