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BACKGROUND Since the beginning of the 2014 water drought, the City of Pleasanton has participated in water policy roundtables and meetings of the Tri-Valley Water Liaison Committee, which includes elected representatives from the cities of Dublin, Livermore, Pleasanton, and San Ramon, Dublin San Ramon Services District (DSRSD), and Zone 7 Water Agency (Zone 7), as well as corporate representation by California Water Service (Cal Water) to discuss water issues in the Tri-Valley. In December 2014, Pleasanton, along with the cities of Dublin, Livermore, San Ramon, DSRSD and Zone 7 entered into the Tri-Valley Intergovernmental Reciprocal Services Master Agreement (Agreement). The objective of the Agreement is for the agencies to share among and between themselves resources that support government functions and for joint purchase of equipment and/or supplies or procurement of contracting or consulting services. The intent is to save time and money for all of the agencies by streamlining processes that are of similar nature through a Task Order'. Pleasanton has executed task orders under the Agreement for various maintenance repairs, projects and studies with the last task order being the Joint Tri-Valley Potable Reuse Technical Feasibility Study described below. On February 11, 2016, the Tri-Valley Water Liaison Committee, discussed and supported a more detailed study of potable reuse. Zone 7 and the Tri-Valley Water Retailers (DSRSD, Cal Water, and the cities of Livermore and Pleasanton) subsequently formed a Steering Committee with representatives from all agencies to oversee policy issues related to the study. In addition, a Project Management Committee consisting of technical staff from each agency was formed to oversee the technical work, with a designated project manager from Zone 7. Joint Tri-Valley Potable Reuse Technical Feasibility Study In October of 2016, Carollo Engineers (Carollo) was hired under the Tri-Valley Intergovernmental Reciprocal Services Master Agreement Task Order to prepare the Joint Tri-Valley Potable Reuse Technical Feasibility Study. The primary goals of the Study were to evaluate the feasibility of potable reuse for the Tri-Valley; to identify and evaluate a short list of alternatives based on technical, financial, and regulatory considerations; and, assuming potable reuse was found to be feasible, to recommend next steps for the agencies. The end use options to be evaluated included groundwater augmentation and raw water augmentation via a connection upstream of the Zone 7 Water Treatment Plants. Direct connection to potable water transmission systems was not considered based on input from the elected representatives at the February 2016 meeting. In May 2018, DSRSD, Cal Water, the cities of Livermore and Pleasanton, and Zone 7 completed the Joint Tri-Valley Potable Reuse Technical Feasibility Study, which demonstrated that it was technically feasible for a joint Tri-Valley Potable Reuse project to meet 7%-15% of the build-out water demands of the Tri-Valley based on approved General Plans. 1 Task Orders are issued by one Member Agency to another Member Agency referencing the standard terms and conditions and conditions for compensation or payment from one Member Agency to another for sharing resources or providing services. Task Orders shall be executed by the designated official of Chief Executive Officer of the respective Member Agency. Page 2 of 5