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Water/Wastewater Outlook. Society of American Military Engineers October 14, 2009. San Diego County’s Water Sources (2008). LAKE SHASTA. LAKE OROVILLE. San Diego County imports more than 80% of its water supply. State Water Project (Bay-Delta) 28%. Colorado River 54%.
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Water/Wastewater Outlook Society of American Military Engineers October 14, 2009
San Diego County’s Water Sources (2008) LAKE SHASTA LAKE OROVILLE San Diego County imports more than 80% of its water supply State Water Project (Bay-Delta) 28% Colorado River 54% Local Water Supply Projects 18% 2
Water Reliability in 2009 Reliable Water Regulatory restrictions have severely cut water supplies from Northern California Water Storage Annual Rain/Snow Pumping Capacity 3
Pumping Restrictions Increased Regulatory Pumping Restrictions JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Salmon Delta Smelt No Restrictions Longfin Smelt
Impacts on Southern California’s Supplies Reductions in water supplies from the State Water Project due to Delta smelt restrictions 43% lost 1,851,000 AF 44% lost 1,709,000 AF 40% lost 980,000 AF 415,000 AF 24% lost 315,000 AF 585,000 AF 960,000 AF 1,060,000 AF Wetter Years Drier Years AF = Acre-feet. One acre-foot = 325,900 gallons. 5
Bay-Delta Conservation Plan Summary − Plan Elements under Development Bypass Flow Criteria Intake Screen & Locations Fremont Weir Gate Ops Tidal Habitat Restoration Target Cross Channel Ops Thru-Delta Component Conveyance Alignment Outflow Targets Tidal Gates South Delta Exports 6
The Impact on Rates • Supply challenges make securing water more expensive • Shift to more-expensive supplies is driving up the cost of water from MWD, the Water Authority’s largest supplier • Water Authority passes increased costs to member agencies • Member (retail) agencies pass costs to ratepayers
Jim Barrett Director Ann Sasaki Assistant Director Wastewater Ops Alex Ruiz Assistant Director Business Support Jim Fisher Assistant Director Water Ops Steve Meyer Environmental Monitoring & Tech Services Mike Vogl Customer Support Darlene Morrow-Truver Employee Services & Internal Control Jesus Meda Water Treatment & Engineering Vacant Engineering Program Mgmt Marsi Steirer Long Range Planning & Water Resources Stan Griffith Wastewater Collection Stan Medina Water Construction & Maintenance Rod Greek Finance & IT Chris McKinney Wastewater Treatment & Disposal Public Utilities Department Tom Crane Strategic Programs Wastewater Branch Business Support Branch Water Branch
CityTV Public Service Announcement : CityTV Channel May - On Going
City Water Conservation • June 13.6% • July 13.9% • August 11.3% • September 10.2% • Water had planned a 15% budget reduction • CWA Allocation was 8% reduction
San Diego Regional Wastewater System City of San Diego plus 15 other municipalities and special districts Serving more than 2.2 million Californians in over a 450 square mile area
Modified Permit Summary 300 Point Loma Influent 250 Standard 301h modified permit 200 150 PPM 100 Point Loma modified permit Point Loma Effluent 50 Secondary Requirement 0 TSS BOD
System Performance Current permit requires 80% TSS and 58% BOD removal
FY2010 Water & Wastewater CIP • Wastewater - $134MM • $74MM Pipeline repair, replacement, rehab • $39MM Trunk sewer replacement • $9MM Pump station repair/upgrade • Water - $150MM • $43MM Waterline replacement • $38MM Alvarado WTP upgrade/expansion • $16MM Miramar WTP upgrade/expansion • $11MM IPR • $6MM Otay WTP upgrade/expansion • $5MM Lower Otay emergency outlet
Questions? Jim Barrett, PE, F-SAME Director of Public Utilities City of San Diego 858.292.6401 20