Lake Mead, the largest reservoir in the United States, has plummeted to its lowest water level since it was filled some 90 years ago, another sign of the crisis plaguing the Colorado River system. Water levels at Lake Mead hit 1,040.4 feet (317.1 meters) above sea level on Friday, according to federal data. The low levels follow a winter that produced the worst snowpack on record in the Colorado River Basin. Melting snow feeds the river, which is relied upon by farmers, industries, wildlife, hydropower producers and more than 40 million people across seven U.S. states, tribal nations and Mexico. Read more at the link in bio. #APPhotos by Ty ONeil