The Glen Canyon Dam operations are facing a critical juncture regarding the survival of the Humpback Chub, balancing ecological flow requirements against the demands of the Colorado River Basin and climate change.

The entities involved

• Arizona →

  state of the United States of America

  • Tropical moisture from Hurricane Polo is impacting Baja California Sur, with landfall affecting the region.Mon 17:20
  • Runoff risks are extending through high country in central Arizona due to tropical moisture from Hurricane Polo.Mon 17:20
• Colorado River →

  major river in the western United States and Mexico

  • Arizona and Nevada face severe water cuts due to deadlock over the Colorado River's impact on Lake Powell and Lake Mead.Sun 23:35
  • The shared management of the Colorado River system, including the Morelos Dam, governs the flow into the Gulf of California.Fri 21:01

Related events

• A Lower Basin three-state agreement was reached, alongside a co-authored call for river management action due to severe resource depletion.Sep 8
• Snowmelt alterations are changing water flow into the Colorado River, leading to low lake levels that threaten Imperial Valley farms.Aug 16
• Lake Powell and Lake Mead are now managed under a new long-term framework that represents the interests of the Basin States.Aug 1
• Los Angeles and Arizona share reliance on the shrinking Colorado River system.Jul 29
• River decline causes resource scarcity and conflict.Aug 25