SOUTH ORANGE COUNTY REGIONAL RECYCLED WATER

Orange County Business CouncilInfrastructure CommitteeMay 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

Sources

Regulations

• 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 TIMEANY QUESTIONS?