Earth ChangesCrunch time looms as Nevada’s vital water source Lake Mead nears record lows in historic crisis threatening shortages for millions Posted on September 21, 2025 by Administrator A Nevada congresswoman has revealed Lake Mead is approaching ‘crunch time’, amid severe drought that could cause an unprecedented crisis in the state. Lake Mead on the iconic Colorado River supplies drinking water to millions of people, and is currently under a Tier-1 shortage, hit historically low levels in 2022.