The South American Subbasin
Sustainable Groundwater Management Act (SGMA)
Sustainable Groundwater Management Act (SGMA)
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:
Register Here:
https://stantec.zoom.us/meeting/register/ROzHreMfQtS0H5zDSPPzqQ
June 23. 2026 5 Year Periodic review briefing (pdf)
Download
South American Subbasin Newsletter Fall 2025 (pdf)
DownloadSacramento 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

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.
South American Groundwater Sub Basin
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