Water challenges cluster geographically. Explore the forces shaping each part of the country.
Ground zero for the Colorado River crisis and the nation's most advanced reuse programs.
Snowpack-dependent supplies, headwaters obligations, and rapid growth.
From California's overdrafted aquifers to the wet-but-stressed Northwest.
Coastal aquifers, saltwater intrusion, and the Southeast's water-supply limits.
Great Lakes abundance alongside Ogallala depletion and nutrient pollution.
Aging industrial-era systems and the front line of PFAS regulation.