West Coast Basin Optimization Study

The Water Replenishment District of Southern California is soliciting a qualified consultant under RFP-26-006 to conduct the West Coast Basin Optimization Study. This initiative, part of the WIN 4 ALL program, focuses on maximizing groundwater aquifer use to decrease reliance on imported water. The selected consultant will be responsible for engaging regional stakeholders, performing groundwater modeling to determine optimal recharge and extraction sites, assessing infrastructure needs, and developing a comprehensive Optimization Plan that includes conceptual designs, feasibility assessments, and implementation strategies. The contract has a maximum term of two years and is performed primarily within the district's jurisdiction in Southern California, with administrative oversight based in Lakewood. Award selection is based on a trade-off process where technical merit is heavily weighted, accounting for 75 points of the evaluation. Key scoring criteria include technical approach and methodology, performance on similar projects, organizational resources, and billing rates. A significant bonus of up to 25 points is available for commitment to the Diversity in Business (DIB) Program, which requires the use of Small, Disabled Veteran, or Local Business Enterprises. The contract emphasizes strict compliance with DIB reporting through monthly utilization reports and requires adherence to California Water Code Division 18 and specific insurance mandates. Proposals must be submitted as a single, bookmarked, text-searchable PDF via the WRD Procurement Portal by August 21, 2026.