South American Groundwater Sub Basin

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South American Groundwater Sub Basin

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The South American Subbasin

The South American Subbasin The South American Subbasin The South American Subbasin

Sustainable Groundwater Management Act (SGMA)

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5 Year GSP Periodic Review Breifing

 

South American Subbasin (SASb) Noon Lunchtime Briefing - Final Draft 5-Year Periodic Evaluation - June 23, 2026

YOU ARE INVITED

Final Draft 5-Year Periodic Evaluation

State of the South American Subbasin Groundwater

The South American Subbasin Groundwater Sustainability Agencies (GSAs) are wrapping up a 5-Year Period Evaluation of the how groundwater management has worked in the subbasin. The evaluation acts as a comprehensive "check-up" to assess whether the local Groundwater Sustainability Plan (GSP) remains effective and is on track to avoid undesirable results by 2040.  Once complete, the evaluation will be submitted to the California Department of Water Resources for their review prior to the due date in January 2027.

During this briefing you will learn more about:

  • What the State Requires
  • New Information Collected
  • Groundwater Conditions Relative To Sustainable Management Criteria.
  • Status Of Projects And Management Actions.  
  • Basin Setting Based On New Information Or Changes In Water Use.  
  • Monitoring Networks. 
  • GSA Authorities And Enforcement Actions.  
  • Outreach, Engagement, And Coordination With Other Agencies.  
  • Proposed Or Completed Revisions To Plan Elements. 
  • Questions

Register Here:

https://stantec.zoom.us/meeting/register/ROzHreMfQtS0H5zDSPPzqQ

June 23. 2026 5 Year Periodic review briefing (pdf)

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Newsletters

 


South American Subbasin Newsletter Fall 2025 (pdf)

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Groundwater Sustainability Agencies in the South American Subbasin

Sacramento Central Groundwater Authority

827 7th Street, Room 301

Sacramento, CA 95814 

​(916) 874-6851​


Omochumne Hartnell Water District

Mailing address: P.O. Box 211 Wilton, CA 95693-0211 Office Address: 8970 Elk Grove Blvd. Elk Grove, CA 95624

916-682-5958, info@OHWD.org


Sloughhouse Resouce Conservaton District

 13147 Jackson Rd., Sloughhouse CA 95683 

TELEPHONE (916) 526-5447

 

NDGSA
c/o The Freshwater Trust
1717 I Street Suite A
Sacramento, California, 95811

(916) 668-7345

About South American Groundwater Sub Basin

SGMA & the SASB

 Water is vital to the economy, the environment, and the quality of life in Sacramento County. While this precious resource is visible every day in the American, Sacramento and Cosumnes Rivers, water underground is no less important, providing about half of the region’s water supply. Groundwater serves the needs of cities, farms and businesses and provides high-quality drinking water to urban and rural residents, all while helping to sustain vital ecosystems.

Learn more about the South American Groundwater Subbasin (SASb), how six Groundwater Sustainability Agencies (GSAs) in the SASb are responding to the Sustainable Groundwater Management Act (SGMA) to develop a Groundwater Sustainability Plan (GSP), and how you can participate to promote the health and longevity of our shared and valued resource. 

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  • 5 Year Evaluation

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