March 24, 2023

  • Lake Mead’s water would continue to decline
  • Would fall to Tier 2B in 2024
  • Would fall to Tier 3 shortage in 2025, necessitating mandatory water cuts to California.

April 20, 2023

  • 2023/2024 now expected to be at Tier 1 level

Source: Lake Mead could get a lot more Colorado River water. What changed so quickly?

Another expert prediction failure.

Coldstreams