Page 2 - Beaumont Basin Watermaster

February 7, 2018

Art Vela, Chairman
Beaumont Basin Watermaster
560 Magnolia Avenue
Beaumont, CA 92223

Subject: Beaumont Basin Watermaster
Draft Consolidated Annual Report and Engineering Report for
Calendar Year 2017

Dear Mr. Vela:

ALDA Inc., in association with Thomas Harder & Co. is pleased to submit to you, as
Chairman of the Beaumont Basin Watermaster, the Beaumont Basin Watermaster
Consolidated Annual Report and Engineering Report for Calendar Year 2017. This draft
report expands on the earlier format of the annual report by incorporating information
previously presented in the biannual Engineering Report. As such, this report
summarizes all production, spreading, storage activities, and water transfers between
parties to the Judgment that took place during calendar year 2017. Further, it
documents changes in water levels and storage conditions, as well as, an estimate of
the Basin Operating Safe Yield for 2017.

The report also documents an evaluation of water quality conditions for the 2013-2017
five-year period for drinking water wells based on information obtained from the
California Department of Public Health database. Water quality information for other
non-potable and/or monitoring wells, collected as part of the Beaumont Management
Zone Maximum Benefit Monitoring Program was not available for CY 2017 at the time of
this writing. We have included water quality for these wells for the 2012-16 monitoring
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period. The final report, to be presented at the March 28 , 2018 meeting, will
incorporate the 2017 water quality information for these wells.

We will make a formal presentation to the Watermaster Committee during the upcoming
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Board meeting on February 7 , 2018. We welcome your review and comments on this
report and look forward to answering any questions you may have.

Should you have any questions on this matter, please contact us at 909-587-9916 during
normal business hours.