Welcome to the Water Alliance of La Paz County

Water is one of the most important resources in La Paz County. Our communities, farms, businesses, and future all depend on healthy aquifers and responsible groundwater management. The Water Alliance of La Paz County was created to bring people together around that shared responsibility. The Alliance is a community-driven effort focused on improving understanding of …

Ranegras Plain Groundwater Basin Designated as an Active Management Area

In February 2026, the Arizona Department of Water Resources (ADWR) officially designated the Ranegras Plain Groundwater Basin as a new Active Management Area (AMA). This decision places the basin under Arizona’s groundwater management framework, which is designed to slow groundwater depletion and support long-term water sustainability in the region. The Ranegras Plain basin spans parts …

Update on HB 2758: Proposed Water Transfer from McMullen Valley

Arizona House Bill 2758 (HB 2758), legislation that would allow large-scale transfers of groundwater from the McMullen Valley basin to support development in Central Arizona, continues to move through the state legislature. As the bill advances, residents of western Arizona—including communities in and around Salome and Wenden—are raising significant concerns about its potential impacts on …