Agriculture is Arizona's largest water using sector, relying on both surface water and groundwater to irrigate crops.
The Colorado River Basin is experiencing diminished flows in its rivers and streams. This story map explains how satellite data can measure changes in total water storage, a new and efficient means of measuring groundwater changes.
Learn more about the "groundwater hotspots" within Arizona where there are significant concerns around underreported shrinking groundwater supplies.
In arid climates like Arizona's, aquifers take thousands of years to fill, but modern technology enables humans to use up groundwater far faster than nature replenishes it. The Arizona Groundwater Dashboard provides insights on groundwater demand and supply in each of the state's 51 groundwater basins.