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Western Reservoirs Hit Record Lows
28 Jul
Summary
- Lake Mead and Lake Powell water levels approach historical lows.
- Critical 'dead pool' levels for hydropower loom for Lake Powell.
- The Colorado River basin supplies water to 40 million people.
Water levels in the U.S.'s two largest reservoirs, Lake Mead and Lake Powell, are alarmingly close to record lows as of July 28, 2026. Lake Mead's elevation is at 1,041.17 feet, nearing its July 2022 record low. Lake Powell's elevation is 3,522.78 feet, approaching its April 2023 record low and the critical threshold for hydropower production.
Lake Powell could reach a new record low in August, with projections indicating it is only 33 feet from 'dead pool' at 3,490 feet. At this stage, water is too low to spin turbines for hydroelectric power. The Colorado River basin is vital, supplying water to 40 million people and hydropower to seven Western states.
Record low snowpack and warmer winter temperatures have exacerbated drought conditions, with over two-thirds of the West experiencing severe to extreme drought. While potential relief from above-average precipitation and El Niño are forecast, these are unlikely to offset long-term water shortages.
Experts emphasize the urgent need for new operating guidelines and conservation measures across agricultural, municipal, and industrial sectors. The basin is severely over-allocated, with water rights established during a wetter 20th-century period. Reaching a consensus on water use plans among the seven basin states remains a challenge, potentially requiring intervention from the Bureau of Reclamation.
