What is a Groundwater Sustainability Plan (GSP)?

A Groundwater Sustainability Plan (GSP) is a long-term planning document required under SGMA that guides how groundwater is managed in the South American Subbasin. The purpose of a GSP is to ensure groundwater resources are managed sustainably for current and future users.

A GSP:

• Describes current groundwater basin conditions
• Establishes measurable sustainability goals
• Identifies monitoring requirements
• Outlines management actions needed to achieve long-term groundwater sustainability

The GSP is implemented collaboratively by local agencies and updated regularly to reflect new data, monitoring results, and regulatory guidance.