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Mega Drought spurs Water Wars



New mandatory water cuts were issued Tuesday along the Colorado River as water levels at important reservoirs continue to linger around all-time lows.

The Department of Interior announced a plan to improve and protect the Colorado River System, stating that they will operate in a Tier 2 shortage for the first time. Downstream releases from Glen Canyon and Hoover Dams, which created Lakes Powell and Mead, will be reduced again in 2023 due to declining reservoir levels.

"Every sector in every state has a responsibility to ensure that water is used with maximum efficiency. In order to avoid a catastrophic collapse of the Colorado River System and a future of uncertainty and conflict, water use in the Basin must be reduced," said Assistant Secretary for Water and Science Tanya Trujillo. "The Interior Department is employing prompt and responsive actions and investments to ensure the entire Colorado River Basin can function and support all who rely on it."

This comes after Lake Mead and Lake Powell continue to reach record lows due to climate change. A megadrought and an increase in consumption from Lake Mead caused water levels to drop to an 80-year low



"The worsening drought crisis impacting the Colorado River Basin is driven by the effects of climate change, including extreme heat and low precipitation. In turn, severe drought conditions exacerbate wildfire risk and ecosystems disruption, increasing the stress on communities and our landscapes," said Deputy Secretary Tommy Beaudreau.

The Bureau of Reclamation said that the 23 years of drought and low amounts of runoff have resulted in historically low lake levels at Lake Mead and Lake Powell. Therefore, the water released down the Colorado River will be reduced in 2023.

What kind of water cuts will be in place?

More than 25 million people across several western states rely on the massive reservoir for water and electricity.

As the megadrought continues, Nevada and Arizona will be limited in the amount they can draw from the Colorado River.


The Department of Interior implemented these changes to the Lower Basin States and Mexico effective Jan. 1, 2023:

  • Arizona: 592,000 acre-feet, which is approximately 21% of the state's annual apportionment

  • Nevada: 25,000 acre-feet, which is 8% of the state's annual apportionment

  • California: Supply will not be cut

  • Mexico: 104,000 acre-feet, which is approximately 7% of the country's annual allotment

  • There is no required water savings contribution for California in 2023 under this operating condition.

Previous water restrictions implemented in May 2022 provided approximately 1 million acre-feet of additional water to help protect water levels at Lake Powell.

"Building on these important responsive actions, Reclamation will begin efforts to modify low reservoir operations at both Lake Powell and Lake Mead to be prepared to reduce releases from these reservoirs in 2024 to address continued drought and low runoff conditions in the Basin," the Department of Interior said in a statement Tuesday.



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