Annual Report

The Arroyo Santa Rosa Basin Groundwater Sustainability Agency (ASRGSA) and Fox Canyon Groundwater Management Agency (FCGMA) (the GSAs) adopted the Groundwater Sustainability Plan (GSP) for the Arroyo Santa Rosa Valley Groundwater Basin (ASRVGB, or Basin) on May 25, 2023, and this is the first Annual Report in compliance with California Code of Regulations §356.2. The GSP included data collected within the Basin through water year 2021; therefore, this Annual Report includes data collected during water years 2022 and 2023.