The 1980 Arizona Groundwater Management Act is widely celebrated as a progressive piece of legislation that attempted to halt excessive groundwater pumping. A key component of the Act was its requirement that developers demonstrate an "assured water supply" [AWS] before receiving permission to...

Shared groundwater resources between Mexico and the United States are facing unprecedented stressors. We reflect on how to improve water security for groundwater systems in the border region. Our reflection begins with the state of groundwater knowledge, and the challenges groundwater resources...