The Modesto Subbasin is a high-priority subbasin but is not in overdraft. The Groundwater Sustainability Plan is on track to being submitted by the deadline of January 31, 2022.
Groundwater sustainability plans for critically over-drafted basins must be completed and adopted by the groundwater sustainability agencies by Jan. 31, 2020. Groundwater sustainability plans for high- and medium-priority basins not in overdraft must be completed and adopted by Jan. 31, 2022. All high- and medium-priority groundwater basins must achieve sustainability within 20 years of the adoption of the groundwater sustainability plan.