On January 21, 2026, the California Department of Water Resources (DWR) published its Best Management Practices of the Sustainable Management of Groundwater – Land Subsidence (Subsidence BMPs). The press release details the importance of addressing subsidence, which costs Californians hundreds of millions of dollars annually, largely through damaging public infrastructure and reducing water deliveries.
Background
Subsidence is the process of land sinking. In the water context, it is generally caused by removing groundwater quicker than it is replenished, which …