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Welcome to the home page of the Main San Gabriel Basin Watermaster, an agency charged with administering adjudicated water rights and devoted to the management and protection of groundwater resources, within the watershed and groundwater basin known as the Main San Gabriel Groundwater Basin in Los Angeles County, California.

To learn more, please visiit www.thewatersthatconnectus.com 

Key Well Level

 

Historic Low:           169.4 ft.                        November 21, 2018

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Historic High:          295.30 ft.*                               July 20, 1983

Current Level:         240.2 ft.                  As of July 12, 2024
 
                                                  Since entry of judgment, 1973

Legal Notices

News

Main San Gabriel Basin Watermaster

3/5/2019

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725 NORTH AZUSA AVENUE, AZUSA, CA 91702

Tel:  (626) 815-1300   Fax: (626) 815-1303

© 2016 by Main San Gabriel Basin Watermaster

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