Recently released is Figure 10: USGS Subsidence Map Modeling Future Groundwater Depletion evaluating the sustainability goals under SGMA in the Central Valley Overdrafted Basins. The 4 model maps shown here is pulled from the 21-page Water Resources Research Article in the file link below and details the results of the Drawdown, with and without Chowchilla Pumping or Tulare Lake Pumping, on the Lower Aquifer. Additional maps and graphs are within the pdf article.

 

Research Article:  Water Resources Research - 2026 - Platt - USGS - Modeling Future Groundwater Depletion to Evaluate Sustainability Goals Set Under the Sustainable Groundwater Management Act in the Critically Overdrafted Basins of the Central Valley, California, USA (2020 - 2070)