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 visit: www.thewatersthatconnectus.com 

Key Well Level

 

Historic Low:           169.4 ft.                        November 21, 2018

Historic High:          295.30 ft.*                               July 20, 1983

Current Level:         195.8 ft.                    As of April 9, 2021
 
                                                  Since entry of judgment, 1973

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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