SGMA Implementation Timeline

  • January 2015

    Basin Prioritization Update

    California Department of Water Resources implements initial statewide prioritization of groundwater subbasins.

  • April 2015

    DRAFT GSP REGULATIONS

    DWR conducts listening sessions for draft Groundwater Sustainability Plan (GSP) regulation development.

    April 2015

  • January 2016

    BOUNDARY REGULATIONS

    DWR adopts regulations for basin boundary adjustments, accepts adjustment requests through March 2016.

  • June 2016

    GSP REGULATIONS

    DWR adopts regulations for evaluating and implementing Groundwater Sustainability Plans (GSPs), coordination agreements, and alternatives to GSPs.

    June 2016

  • December 2016

    REPORT: WATER AVAILABLE FOR GROUNDWATER REPLENISHMENT

    DWR publishes a report on water available for groundwater replenishment.

  • January 2017

    BMPs PUBLISHED

    DWR publishes best management practices for sustainable management of groundwater.

    January 2017

  • June 2017

    GROUNDWATER SUSTAINABILITY AGENCY FORMATION DEADLINE

    Deadline for the establishment of Groundwater Sustainability Agencies (GSAs) for all high and medium priority basins.

  • January 2020

    GROUNDWATER SUSTAINABILIY PLAN SUBMISSION DEADLINE

    High-priority basins must develop and submit a Groundwater Sustainability Plan(s) (GSP) to cover the basin. GSAs within a basin may coordinate to submit a single GSP, or develop individual GSPs under a formal Coordination Agreement.

    January 2020

  • 2040

    GROUNDWATER SUSTAINABILITY DEADLINE

    Groundwater sustainability must be achieved in high-priority basins.