Page 234 - _ 180314 Special Yucaipa GSA Packet
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Rancho California Water District Groundwater                               Project Data
        Recharge Program - Indirect Potable Reuse
        Preliminary Design
        Temecula, CA                                             Client: Rancho California Water District
                                                                 Client Contact: Rich Ottolini, Water Operations Manager
        GEOSCIENCE is currently conducting a ground water        Address: 42135 Winchester Road, Temecula, CA 92590
        recharge program as part of the District’s Indirect Potable   Phone: (951) 296-6900
                                                                 Email: otolinir@ranchowater.com
        Reuse (IPR) Preliminary Design Activities Project. The   Project Date: 2014 - Present
        program’s goal is to recharge the groundwater basin with
        5,000 acre ft per year (AFY) of treated recycled water   Team Members Assigned:
        implemented in two phases. Results from the investigation
        will help determine if recharging 3,000 AFY of available
        recycled water at the Lower Valle de los Caballos spreading   Relevancy to your project
        ponds (Phase I) is feasible.                             •   Percolation analysis
                                                                 •   Update groundwater model
        The calculated recharge capacity of the Lower VDC ponds
        will then be used to determine the conceptual design for
        the Phase II injection well field(s) to provide and additional
        2,000 AFY for ground water recharge. Specific tasks include:   Lower VDC Recharge basin area
                                                               •  Evaluating the impact of treatment on the amount of
        •  Developing overall work plans for  pilot recharge test,   recycled water that may be recharged
            tracer testing, soil aquifer treatment (SAT) pilot testing,   •  Analyzing data and preparing a ground water recharge
            monitoring, and data collection                        program summary report.
        •  Developing technical plans and specifications and
            constructing/installing a nested monitoring well and
            all appurtenant measuring devices, lysimeters, SAT test
            basin, and pilot recharge basin
        •  Performing pilot recharge tests and measuring wetting
            front downward movement                                               Similar Project Elements
        •  Performing field tracer testing to measure ground
            water seepage velocities                                              Portions of this project, specifically
        •  Performing SAT pilot testing                                           percolation pond construction, data
        •  Developing a focused ground water model for the                        collection, and infiltration analysis are
                                                                                  the same as what would be required
                                                                                  on this project. Lessons learned from
                                                                                  this project will help improve project
                                                                                  efficiency and provide more accurate
                                                                                  data that represents actual basin
                                                                                  conditions and helps SBVMWD make
                                                                                  better planning decisions.






                                  Yucaipa Groundwater Sustainability Agency - March 14, 2018 - Page 206 of 226
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