From

https://www.glencanyon.org/fill-mead-first/

we read:

When will Las Vegas become a ghost town due to water shortages? 

We are now only 180 feet above our 3rd deep Lake Mead water well completed in 2020.

Both Lake Powell and Lake Mead reservoirs are half empty, and scientists predict that they will probably never fill again. 

The water supply of more than 22 million people in the three Lower Basin states^† is in jeopardy. The region is also facing an environmental crisis.

† The Colorado River Compact of 1922 divided the river into two basins: The Upper Basin (Colorado, New Mexico, Utah and Wyoming) and the Lower Basin (Arizona, California and Nevada).

One acre-foot of water
provides approximately enough water
for 8 homes for 4 months.

• • Southern Nevada receives 300,000 acre feet per year from Lake Mead.
  300,000 ÷ 8 = 37,500 homes for 4 months
• • By comparison, California gets 4.4 million acre feet per year from Lake Mead.
  4,400,000 ÷ 8 = 550,000 homes for 4 months
• • Arizona gets 2.8 million acre feet per year from Lake Mead.
  2,800,000 ÷ 8 = 350,000 homes for 4 months

According to estimations from the federal Bureau of Reclamation:

• • Lake Mead is projected to get down to 22 percent of its full capacity by the end of 2022.
• • Lake Powell is expected to drop to 27 percent of its full capacity by the end of 2022

So. What happens when Lake Mead runs out?

• • Regional agricultural use of water could be eliminated, impacting the nation's food supply
• • Skyrocketing costs for urban users of what little water and power is still available could cause mass migrational population shifts
• • Real estate values could plummet

Lake Mead Pumping Station Number 3
was finished at a cost of 1.5 Billion dollars
to try (?) to ensure that the Las Vegas Valley
will still have access to water.

Low Lake Level Pumping Station Number 3
was forced into operation early, in April 2022
when the dramatic drop in the elevation of Lake Mead
rendered the community's
primary intake pumping station inoperable.

Say it with me: “Oh oh.” 

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