02-26-2024 RPT 07 - Laserfiche WebLink

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WATER ENERGY LIFE rr� CITY OF RIVERSIDE lag PUBLIC UTILITIES RIVERSIDE PUBLIC UTILITIES Board Memorandum BOARD OF PUBLIC UTILITIES DATE: FEBRUARY 26, 2024 SUBJECT: NON -POTABLE / RECYCLED WATER MASTER PLAN UPDATE ISSUE: To receive an update report on the City of Riverside's Non-Potable/Recycled Water Master Plan. RECOMMENDATIONS: That the Board of Public Utilities receive and file an update on the City of Riverside's Non- Potable/Recycled Water Master Plan. BACKGROUND: On June 13, 2022, the Board of Public Utilities approved a Professional Services Agreement with Carollo Engineers, Inc. in the amount of $239,212, along with an approved Work Order No. 2115050 for the 2022 Non -Potable and Recycled Water Master Plan for a total project cost of $300,000. The City Council subsequently approved the Professional Services Agreement on July 19, 2022. The study was to look at Riverside Public Utilities' (RPU) existing recycled water system, update recycled water supply and demands, create a hydraulic model of the existing system and proposed alternatives, develop criteria for evaluating system sizing, generate alternatives for evaluation, and prepare the proposed Capital Improvement Plan (CIP) alternatives, including project costs and CIP budgeting needs. DISCUSSION: Currently, Carollo Engineers, Inc. (Carollo) is approximately 85% complete with their work, and the remaining work to be done relates to updating recycled water adjusted demand values, preparing and evaluating CIP alternatives, and identifying budget needs for the selected alternatives. As an update to the Board, the following topics of the Master Plan are presented below: Supply, Demand, CIP Challenges, and Benefits. Supply Recycled Water: Under a 1968 agreement with Western Municipal Water District (Western) supporting the 1969 Santa Ana River Judgment, 15,250 acre-feet per year (AFY) of treated wastewater from the Riverside wastewater treatment plant must be discharged to the Santa Ana River to meet