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Groundwater Basin Authority

The Eastern San Joaquin Groundwater Basin  Authority values the information and insights we receive from those who visit our website. We are interested in hearing from you.

Eastern San Joaquin Groundwater Basin Authority
1810 E. Hazelton Avenue
P. O. Box 1810
Stockton, CA 95201
(209) 468-3089

Brandon W. Nakagawa, P.E.
Water Resources Coordinator
bnakagawa@sjgov.org