Many mines pose the chronic problem of relentless pollution.
The drought plan requires Arizona to find a way to reduce its use of Colorado River water by up to 700,000 acre-feet — more than twice Nevada's yearly allocation under the drought plan.
The other six states in the Colorado River basin have agreed to plans that recognize a long-running drought, the dwindling supply of water and how they intend to cope with it.
In 2017, the 13-year-old from Lone Tree, Colorado was named ‘America’s Top Young Scientist’ for the design of a small, mobile device that tests for lead in drinking water.
Revving up the legal gears could pose a setback for Denver Water, which has spent years securing the necessary permits.
Preliminary results from the Colorado School of Mines and the Colorado School of Public Health research were shared with residents Thursday night.
A deal was supposed to be signed by the end of 2018, under threat that the water levels on the river would push the federal government to impose its own restrictions.
As extreme drought encroached on Colorado and much of the Southwest this year, many eyes turned to the weekly U.S. Drought Monitor map.
Colorado River water supports about 40 million people and millions of acres of farmland in the U.S. and Mexico.