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HomeMy WebLinkAboutNPDES Delhi Diversion Update 022818Newport Bay Watershed Santa Ana Delhi Channel Diversion Update City of Santa Ana Public Works Agency Construction Engineering Stormwater Management Drainage Areas Into Upper Newport Bay Tributary Areas (Approximate) Santa Ana 71% Costa Mesa 21% County 6% Santa Ana Delhi Diversion Project 1.Multi-Jurisdictional Collaboration: Cities of Santa Ana, Newport Beach, and Costa Mesa; and the County of Orange 2.Divert low-flow 3-4 cfs (~2 MGD) prior to entering Upper Newport Bay by sewer force main for treatment by OCSD and reuse by OCWD 3.Addresses current and future Total Maximum Daily Loads: Metals, Bacteria, Sediment, Toxics, Trash, and Debris 4.Protect the Bay and enhances our reputation for being good stewards of our water resources Trash/Debris Collected in the Bay Approximately 400 Tons 33% sediment 20.3% trash 46.4% debris Santa Ana Delhi Diversion Project Santa Ana Delhi Diversion Project Preliminary Design Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Progress Photos Santa Ana Delhi Diversion Project Funding Sources Design, Construction, and Maintenance Est. Construction Cost - $9.37 million $2.573 OCTA Grant $1.9 Santa Ana $ 1.6 County of Orange $1.5 Newport Beach $1.0 OCWD $0.6 Costa Mesa $0.195 IRWD January 2015 Started Design, Environmental Work, CEQA Documentation, Permits, and Right of Way February 2016 Complete Final Review of Construction Documents March 2016 Compete Environmental, CEQA, Permits, and Right of Way April 2016 Advertise Construction Contract December 2016 Award Construction Contract April 2017 Start Construction Fall 2018 Start up Action Items/Milestones