(California Department of Water Resources)
https://water.ca.gov/Programs/Groundwater-Management/Drinking-Water-Principles
Featured Draft Publication:
Draft Groundwater Management Principles and Strategies to Analyze, Monitor & Minimize Impacts to Drinking Water Wells (CA DWR)
N. B.: Public Webinar on September 23, 2021… Draft Public Comment Period open until October 7, 2021!

Also…
GAMA Online Tools (CA DWR)
https://www.waterboards.ca.gov/water_issues/programs/gama/online_tools.html