SOUTH ORANGE COUNTY REGIONAL RECYCLED WATER Orange County Business Council Infrastructure Committee May 13, 2014

Recycled water is an integral part of the South County Water supply picture Take a moment to step back from the local view to understand the larger view of recycled water Identify commonality of goals and projects across the region Examine – Uses – Regulations – Sources – Financing PURPOSE OF PLANNING EFFORTS Recycled Water Uses Financing SourcesRegulations

Important part of the Water Reliability Planning Currently meeting 17% of demand Increase to 33%, utilize 100% of the wastewater at build out of the District Seasonal storage is required to meet the goals SMWD RECYCLED WATER

USES Current and Future recycled demands by agency Types – Purple pipe use predominates today – Future use includes indirect/direct reuse Additional supply available

– Indirect/Direct Reuse OCWD Groundwater Replenishment is an indirect reuse project – WateReuse Initiative under way to fund studies – Regional Board – State Water Resources Board – Public Drinking Water REGULATIONS

CURRENT SUPPLIES 11 treatment plants – Current 43 MGD 17,700 AF recycled 30,800 AF ocean disposal – San Juan Watershed 18,900 AF Outfall – Aliso Creek 11,900 AF Outfall

FUTURE SUPPLIES 11 treatment plants – Planned 48 MGD 44,100 AF recycled 10,100 AF ocean disposal SJBA – San Juan Watershed 3,400 AF Outfall – Aliso Creek 6,700 AF Outfall

FUTURE SUPPLY PROJECTS Expansion of SMWD Chiquita WRP Expansion of El Toro WRP Expansion of MNWD/SMWD 3A Plant Coordination of flows between plants to optimize production SMWD Ortega Area seasonal storage reservoir IRWD Syphon Reservoir expansion

SMWD ORTEGA AREA SEASONAL STORAGE Provide seasonal storage to meet seasonal irrigation demands Allows for capture of flows currently being lost to the ocean Potential Regional Resource – City of San Clemente – City of San Juan Capistrano – SMWD – Indirectly Moulton Niguel Water District South Coast Water District Two Potential Sites – Ortega Site – Previously Studied – Trampas 9

TRAMPAS LAKE RESERVOIR AND DAM

SITE LOCATION 11 Trampas Canyon Dam Site Ortega Study Site Chiquita WRP

IRWD Facilities Syphon Reservoir – Existing 500 AF – Proposed Expansion 5,000 AF Regional benefits IRWD SYPHON RESERVOIR

PROPOSED 5,000 AF RESERVOIR

State Water Resources Control Board – 1% low interest loans for recycling projects just announced MWDOC/MWD – Local Resources Program Proposed Bond Drought funding Local Capital Financing FINANCING

Confirm collective interest in maximizing recycled water use South Orange County Integrated Regional Water Management Plan – Collective effort to ensure projects are listed and effectively ranked Initiate project partnership and participation discussions NEXT STEPS

THANK YOU FOR THE TIME ANY QUESTIONS?