Lake Mead expected to have gained 20 feet of water by end of 2023.
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Powell's physical elevation is projected to be 3,574.30 feet on December 31, 2023. With intervening flows between Lake Powell and Lake Mead of 1.32 maf in CY 2023, Lake Mead's physical elevation is projected to be 1,065.42 feet on December 31, 2023.
“Although every drop counts, the reality is that the rain we received from Tropical Storm Hilary and runoff into the tributaries that enter Lake Mead as well as reduced releases from Hoover Dam — due to a decrease in downstream demand — has had some minor impact on the lake's elevation,” according to U.S. Bureau of ...
Lake Mead has dropped by 70% due to droughts in the West and it will take many years to refill again, naturally. The reservoir is vitally important to millions of people as a source of water, electricity, and recreation.
When the snow eventually begins to melt, gravity will take over. As the water flows down from higher elevations, it begins a long journey that does not end at Lake Mead. According to the Las Vegas Valley Water District (LVVWD) the water will slowly seep into the ground.
Lake Mead's water level continues to fall to historic lows, bringing the reservoir less than 150 feet away from “dead pool” — so low that water cannot flow downstream from the dam. The loss of water entirely from this source would be catastrophic.
Still, the drought deficit is so large, experts say the West would need four or five more years of snowmelt like this year's to really fill up Powell and Mead.
Lake Mead's water levels currently stand at 1,050.71 feet as of May 8. According to a Maximum Probable Inflow 24 month report released in April 2023, Lake Mead's water levels could rise to 1,060.30 feet by the end of July 2023. This, in other words, is a best-case scenario for the drought-stricken reservoir.
The water levels for Lake Mead are projected to reach slightly over 1,065 feet by January 2024, according to the Bureau of Reclamation, in large part due to an extremely wet winter that eased the effects of the longstanding drought. In October 2022, the water levels were at a historic low, at roughly 1,046 feet.
While recent rainfall at Lake Mead has raised its water levels minimally, the difference is not substantial enough to make up for the lake's losses. Experts attribute low water level projections to several factors. For one, drought conditions appear to be long-lasting; it's unlikely that the climate will recover soon.
Electricity would not just be the only thing lost. Without Lake Mead, Las Vegas would lose access to 90 percent of its water sources. If Lake Mead were to reach dead pool, it would technically still be able to supply drinking water to Las Vegas. But there will not be enough water for agricultural activities.
As crazy as it sounds, engineers say the idea is technically feasible. It would involve building a system of dams and pipelines to move the water uphill across multiple states over the Continental Divide. Gravity would then work in our favor to drop the water down to the Colorado River watershed.
That rain and heavy snowfall in the Rockies could bring Lake Mead an increase in water levels, since, according to experts, there's more snow than normal in the mountains that feed into the Colorado River.
The vast reservoir's water level has dropped more than 170ft (52m) since 1983, the same year the Colorado River flooded the dam's spillways. Over-extraction, extreme heat and decreased snowmelt have burdened the Colorado River Basin and nearly 40 years later, Lake Mead is down to about 27% of its capacity.