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ATTACHMENT#3 <br /> Local Water Supply and Water Quality Studies * <br /> (as of January 2021) <br /> 2019 2020 2021 2022 2023 Estimated <br /> QUARTER 3rd 4th 1st 2nd 3rd 4th 1st 2nd 3rd 4th 1st 2nd 3rd 4th 1st 2nd Total Funding <br /> Consultant <br /> Fiscal Year FY 19-20 FY 20-21 FY 21-22 FY 22-23 <br /> Regional Water Demand Study <br /> Regional Demand Study --�— -- $ 186,000 Zone 7 <br /> Regional Water Supply Updates <br /> Conjuctive Use Study pause — — <br /> 2021 Water Supply Evaluation Update $ 200,000 Zone 7 <br /> 2020 Urban Water Management Plan N/A Zone 7 <br /> Groundwater/Raw Water Augmentation <br /> Chain of Lakes Studies/Plans <br /> -DVWTP Treatability Study'(WQTS) — $ 24,500 Zone 7 <br /> -COLs Hydraulic Modeling/Water Balance' ____--_-- _ $ 100,000 Zone 7 <br /> Desktop GW Contaminant Mobilization Study $ 100,000 Joint <br /> Groundwater Field Investigations '>k' $ 400,000 Joint <br /> ------------- ----.---_-- ----- — — <br /> Injection Well Well Siting Study $ 100,000 Joint <br /> Communications * $ 300,000 Joint <br /> Independent Advisory Panel — 100,000 Joint <br /> Other Efforts(e.g.,institutional analysis,grants) As directed. ..---- 100,000 Joint <br /> Total Jointly- <br /> - $ 1,100,000 Funded Costs <br /> *Studies were originally identified as next steps in the Joint Tri-Valley Potable Reuse Feasibility Study completed by Carollo Engineers in May 2018. The list of and focus of the studies have transitioned to <br /> broader water supply and water quality efforts that will benefit overall water supply reliability and groundwater quality and management(including PFAS-related issues). <br /> a.This is part of the Chain of Lakes Pipeline Project.Since one of the possible uses of the pipeline is to convey purified water to the DVWTP,the study also looks at the impacts of purified water on the DVWTP's ability to <br /> treat possible blended supply sources. <br /> b.This is part of the Chain of Lakes Master Plan effort,and will look at how various uses of the lakes could be accommodated.This is an ongoing effort,with the model to be refined over time as more information becomes <br /> available. <br /> In progress/to be completed <br /> Planned <br /> *Decision points for continuing into next phase/study. <br /> Page 1 of 2 <br />