
Decades of drought have pushed major US reservoirs to critically low levels, reshaping water rights and policy across the West.
Historic Tier 2 water cuts slash Arizona allocations by 21%, forcing farmers to fallow millions of acres and cities to accelerate conservation.
Farming consumes 70–80% of Colorado River water.
Las Vegas recycles 99% of indoor water. Phoenix cut per-capita use 40% since 1980.