The Watermaster assists the Court to administer and enforce the provisions of the Amended Judgments of the Central and West Coast Basins. The Watermaster structure includes three separate arms with distinct functions, including:

1. Administrative Body, which serves both the Central and West Coast Basins. The Water Replenishment District of Southern California was appointed by the court to fulfill this role
2.  Water Rights Panel: the Central Basin and West Coast Basin each have their own Panel.
3. Storage Panel: is composed of each respective Water Rights Panel and the WRD Board of Directors, which together review and approve storage projects within each Basin.

Central Basin

West Coast Basin