The Biden administration has taken action to implement a historic agreement among Western states aimed at conserving crucial water supplies. The Department of the Interior (DOI) has issued a draft supplemental environmental impact statement (SEIS) outlining two options: a no-action alternative and the proposed action designed to substantially restrict water supplies in the coming years. This proposal is intended to protect the Colorado River System and key dams in response to declining water levels.
The proposed action is derived from an agreement reached in May by the Lower Basin states of Arizona, California, and Nevada, ensuring that at least 3 million acre-feet of Colorado River water supplies will be conserved by 2027. At least half of that amount is to be conserved by 2025. The DOI stated that 2.3 million acre-feet of the conserved water will be funded through the Inflation Reduction Act, while the remaining 0.7 million acre-feet will be through voluntary, uncompensated reductions by the Lower Basin states.
This initiative aims to address the historic low levels of the Colorado River Basin’s reservoirs, including Lake Powell and Lake Mead, due to drought and extreme heat. The Lower Basin states, which rely heavily on water from Lake Powell and Lake Mead, have faced significant challenges due to these reservoirs’ declining levels, which threaten water deliveries and power production.
While Upper Basin states receive water from smaller rivers branching off the Colorado River, the Lower Basin states mainly rely on the pooled water in Lake Powell and Lake Mead, with federal dams controlling the water flows to the Lower Basin states.
The Biden administration is emphasizing the importance of this water conservation initiative, which leverages historic investments from the president’s “Investing in America” agenda to build a more sustainable and equitable future for communities across the Western states. It aims to address climate-driven challenges in the Colorado River Basin, helping to protect water resources for millions of Americans.
These efforts to conserve and manage water supplies in the face of drought and climate challenges are critical to ensuring water resilience and safeguarding vital resources for Western communities.