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UCSD Technical Seminar Series
City of San Diegos Recycled Water Program
January 13, 2010
Marsi Steirer
Public Utilities DepartmentDeputy Director
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City of San Diegos Water Supply
Local Surface Water9.1%
Recycled Water3.1% Conservation
12.3%
Imported75.4%
FY 2009 Actuals
Local Surface Water9%
Other Local Supplies4.7% Conservation
14%
Imported72.2%
FY 2030 Projections
Source: City of SD Public Utilities Department
Source: 2005 Urban Water Management Plan
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Water Supply Challenges1. Regulatory
Pumping restrictions are sharplylimiting imported water fromNorthern California
2. Drought Last four years in California 9 of last 12 on the Colorado River Major reservoirs at low levels
3. Climate change impacts
www.sandiego.gov/water/conservation/drought/
http://en.wikipedia.org/wiki/Image:Wpdms_shdrlfi020l_colorado_river_aqueduct.jpghttp://en.wikipedia.org/wiki/Image:Wpdms_shdrlfi020l_colorado_river_aqueduct.jpg8/14/2019 UCSD Recycled Water Presentation Jan. 13, 2010
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Fish Protections Restrict Pumping
Banks Pumping Plant State Water Project
Chinook salmonCentral Valley steelheadGreen sturgeon
Delta smelt
Longfin smelt
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Colorado River Hydrologic Conditions
Bathtub ring around Lake Mead is approximately 120 tall.
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El Nio Will Not Solve Shortage
Lake Hodges spillway February 2005
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Recycled Water
South Bay Water Reclamation PlantNorth City Water Reclamation Plant
Irrigation Dust Suppression
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Meter Trend
FY98 FY99 FY00 FY01 FY02 FY03 FY04 FY05 FY06 FY07 FY08 FY09 FY10
# of Meters 19 88 135 203 235 294 318 352 374 409 440 451 452
0
50100
150
200
250
300
350
400
450
500
Recycled Water MetersServed by North City & South Bay WRP
465
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Beneficial Reuse
0
2000
4000
6000
8000
10000
12000
14000
05 06 07 08 09
A c r e - F
e e t p e r Y e a r
Fiscal Year
Southern Service Area SBWRP
Northern Service Area NCWRP
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Top 10 Customers of 2008
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Online Interactive Availability Map
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Planned Expansion 2009 - 2015
Recycled Water Master Plan
Parkland/Open space irrigationretrofits
Infill customers
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Water Reuse Study
Purple Pipe Expansion Strategies Focus on irrigation
Indirect Potable Reuse Strategies Requires advanced treatment High year-round use Uses existing reservoirsUpper Occoquan Reservoir,
Fairfax County, Virginia
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Indirect Potable ReuseDemonstration Project
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Multiple Barriers Approach
+ + + + +Ultra-filtration ReverseOsmosis UV +PeroxidePipelineChlori-nation
DetentionTime
inReservoir
Treatmentat
DrinkingWaterPlant
PotableWater
SupplyTertiary
Treatment
Advanced WaterTreatment Process
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IPR/RA Demonstration ProjectTasks and BudgetProject Management $1,688,000 *
Award contract Winter 2010
Independent Advisory Panel $250,000 First meeting May 2009
AWT Demonstration Plant $7,400,000 Estimate award contract Spring 2010
Reservoir Detention Study $420,000 Award contract April 2009
Pipeline Alignment $50,000 * Project Management contract
Public Outreach $1,700,000 * Project Management contract
Contingency $338,000
TOTAL PROJECT BUDGET $11,811,000
GRANT FUNDING $3,970,000
* Components within this Agreement
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Independent Advisory Panel MeetingMay 11, 2009
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Demonstration Project Concept
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Limnology & Reservoir Detention Study
23San Vicente Reservoir - 2004
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San Vicente Reservoirafter enlargement
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http://www.sdcwa.org/infra/pdf/SanVicenteDamRaise/SVDamCrossSect.pdf8/14/2019 UCSD Recycled Water Presentation Jan. 13, 2010
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Public Opinion Survey Results
0% 10% 20% 30% 40%
DK/Ref
No
Yes
26%
34%
40%
2009
San Diego County Water Authority Survey
Do You Think Our Drinking Water Already ContainsRecycled Water?
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Wastewater dischargesupstream of San Diego
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Recycled Water Study
Point Loma Wastewater Treatment Plant
San Diego Bay
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Study Launch
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