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West Coast Basin Watermaster

The following is a brief summary of the new Watermaster structure in the West Coast Basin, which replaced the Department of Water Resources in that role. Per the                            dated December 5, 2014, the Watermaster now consists of three separate arms with different functions and is governed by the                                 .

  1. The                           , comprised of the Water Replenishment District of Southern California,                         ,            administers the Watermaster accounting and reporting functions.                                        for the WCB are available for viewing and download.   

  2. The WCB                          , comprised of water rights holders who are selected through election and/or appointment, enforces issues related to the pumping rights within the Adjudication. 

  3. The Storage Panel, which is comprised of the Water Rights Panel and the Water Replenishment District Board of Directors, together approves certain groundwater storage efforts.


West Basin Water Rights Panel Members and Board


Lourdes Vargas

City of Manhattan Beach



Katherine Nutting

Golden State Water



Chuck Schaich

City of Torrance


Charles Campbell

PBF Energy


Ron Sorensen

California Water Service Company


*Executive officers are elected officers of president, vice-president and treasurer of the West Basin Water Association and the remaining two members are selected by the Board of Directors of the West Basin Water Association.

Agendas and Minutes

*WBWRP regular meetings are held quarterly (February, May, August and November) on the first Tuesday of the month

FY 2021-2022 Meeting Agendas and Minutes

FY 2020-21 Meeting Agendas and Minutes

FY 2019-20 Meeting Agendas and Minutes

*Please email Nina Tarnay at for copies of Agendas and Minutes prior to the previous two years.

Judgment and Amendments

*Please email Nina Tarnay at for copies of Amendments prior to 2014.

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