UCSD Recycled Water Presentation Jan. 13, 2010

8/14/2019 UCSD Recycled Water Presentation Jan. 13, 2010

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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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4 4

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.jpg


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55

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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7

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

24
http://www.sdcwa.org/infra/pdf/SanVicenteDamRaise/SVDamCrossSect.pdf


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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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UCSD Recycled Water Presentation Jan. 13, 2010

Documents

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