Lake Powell officials take emergency steps to preserve hydropower from Glen Canyon Dam
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2022-05-05 04:51:17
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The measures are intended to buy the surrounding communities extra time to plan for the very actual risk the reservoir, the country's second-largest, will quickly run out of water and the flexibility to supply hydropower amid the West's local weather change-driven megadrought.
Step one is releasing extra water from upstream on the Colorado River this year. The second is water shall be held back in Lake Powell itself, instead of being sent to downstream states.
The US Bureau of Reclamation expects the twin actions will enhance Lake Powell by nearly 1 million acre-feet of water. The reservoir contained about 5.8 million acre-feet of water as of Tuesday, based on the bureau, though its full capability is around 25 million acre-feet.
Without the emergency steps, the bureau estimated there was a couple of 25% chance the Glen Canyon Dam may have stopped producing hydropower by January. The dam generates energy for as many as 5.8 million houses and companies in seven states.
The agency said in an announcement Tuesday's choice was intended to guard "hydropower generation, the ability's key infrastructure, and the water provide for the city of Web page, Arizona, and the LeChee Chapter of the Navajo Nation."
The emergency actions will buy the federal authorities 12 months because it considers longer-term measures.
"We have now by no means taken this step before, however the potential risk on the horizon calls for immediate action," Assistant Secretary of Water and Science, Tanya Trujillo advised reporters. "We have to work together to stabilize the reservoir earlier than we face a bigger disaster."
Lake Powell has dropped round 100 ft within the final three years because the West has been besieged by drought. Because the water degree has fallen, Glen Canyon Dam has misplaced about 16% of its capability to generate power.
Bryan Hill, general manager of the general public energy utility in Web page, Arizona, likened the state of affairs to judgment day.
"We're knocking on the door of judgment day," Hill beforehand told CNN. "Judgment day being when we don't have any water to present anybody."
The selections made for Lake Powell also have an effect on its downstream neighbor, Lake Mead, which is the largest reservoir within the nation.
Water cuts for many who depend on Lake Mead began in January, and Tuesday's determination might lead to further restrictions.
Lake Mead's water level is now low enough to reveal one of many reservoir's unique, 1971 water consumption valves for the first time. The valve can no longer draw water, in keeping with the Southern Nevada Water Authority, the agency chargeable for managing water sources for two.2 million individuals in southern Nevada, including Las Vegas.
Officers over the weekend made another disturbing discovery introduced on by Lake Mead's plummeting water degree: a physique in a barrel police say is a likely homicide sufferer from the Nineteen Eighties.
"The lake has drained dramatically during the last 15 years," stated Las Vegas Metropolitan Police Murder Lieutenant Ray Spencer. "It is probably that we are going to discover further our bodies that have been dumped in Lake Mead" because the water stage drops extra.
Quelle: www.cnn.com