2022-06 Department of Water Supply Contingency Plans Follow-up

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Chapter 1 Introduction Objective Did the Department of Water Supply implement the 2020 contingency plan audit recommendations? Scope The prior audit evaluated contingency and continuity plans from October 2017 to August 2019. The follow-up evaluated contingency and continuity plans from April 2022 to September 2022. This follow-up audit was limited to reviewing and reporting on the implementation of the recommendations. We did not consider new or previous issues that did not relate to our original recommendations. Methodology To verify the Department of Water Supply implemented the 2020 contingency plans recommendations, we: • Corroborated information with appropriate staff to follow-up on the responses to audit recommendations • Reviewed applicable laws and other relevant governance • Reviewed contingency, continuity, and communication plans • Reviewed Water Board Minutes • Reviewed, as needed, information pertinent to deepwell operations • Was mindful of potential fraud, waste, and abuse during the audit • Noted exceptions and identified areas for improvements We conducted this performance audit in accordance with generally accepted government auditing standards. Those standards require that we plan and perform the audit to obtain sufficient, appropriate evidence to provide a reasonable basis for our findings and conclusions based on our audit objectives. We believe that the evidence obtained provides a reasonable basis for our findings and conclusions based on our audit objectives. Introduction 5