The crisis at Lake Powell threatens water supplies, power generation, and agriculture across the Southwest. Farmers and rural communities in Utah are already experiencing unprecedented water shortages. California, which grows nearly half of the nation's vegetables and over three-quarters of its fruits and nuts, relies heavily on Colorado River water for irrigation. If the reservoir reaches 'dead pool' status, it could halt the river's flow through the Grand Canyon, causing severe environmental and economic consequences. Urban areas like Phoenix and San Diego are also at risk of higher water costs and potential supply disruptions, though drinking water availability is not immediately threatened.