is desalination our future?
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Is Desalination Our Future?. April, 2010. Paul Helliker General Manager Marin Municipal Water District. “If we could produce fresh water from salt water at a low cost, that would indeed be a great service to humanity and would dwarf any other scientific accomplishment.” JFK - 1962. - PowerPoint PPT PresentationTRANSCRIPT
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Is Desalination Our Future?
April, 2010
Paul HellikerGeneral Manager
Marin Municipal Water District
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“If we could produce fresh water from salt water at a low cost, that would indeed be a great service to humanity and would dwarf any other scientific accomplishment.”
JFK - 1962
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Water Stress Globally
IPCC, 2008
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15 Model Runs: 2080-99 compared to 1980-99
Climate Model Predictions
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Climate Skeptic Theories
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Trends in Runoff TimingD
WR
, 200
7
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Precipitation Variability
DWR, 2007
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CA Snowpack Predictions
DWR, 2010
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L. F
lint,
20
09Projected Runoff Changes
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L. Flint, 2009
Projected Runoff Changes
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DW
R, 2
010
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DW
R, 2
010
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“All I’m saying is now is the time to develop a technology to deflect an asteroid”
Lessons from the Past
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DWR, 2010
Strategies for Water Resources
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Desalination: Israel
FACILITIES:
Hadera (92)
Palmachim (33)
Soreq (108)
Ashdod (72)
Ashkelon (83)
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Plant Location Capacity (MGD)
% of Supply
Startup Cost
Gold Coast
Brisbane 33/44 27 2009 $1.30 B
Perth Perth 38/66 17 2006 $420 M
Kurnell Sydney 66/132 15 2010 $2.06 B
Southern Perth/
Bunbury
13/26 20 2011 $1.04 B
Wonthaggi Melbourne 108/145 33 2012 $3.80 B
Port Stanvac
Adelaide 71 50 2012 $1.98 B
Desalination in Australia
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Gold Coast
Kurnell
WonthaggiPort Stanvac
SouthernPerth
Desalination in Australia
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Desalination in Spain
20 new plants planned for the SE
Will double the capacity in Spain
Will provide about 50% of the area’s water need
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Current Desalination Facilities
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Proposed Plants in CA
20+ new plants planned
425 MGD of capacity proposed (= to 20% of MWD daily)
Largest in Southern California
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Zone 7
SCVWD
ACWD
SFPUC
MMWD
EBMUD
CCWD
SCWA Solano CWA
Water Supply in SF Bay Area
Mix of Wholesale and Retail Agencies
MMWD Supplies from Local Reservoirs (75%) and Russian River (22%)
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Sources of Water
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NHOME DEPOT
SHORELINE P
ARKWAY
HWY 580
TO SAN RAFAEL
NORTHSAN FRANCISCO
BAY
HWY 580
TO RICHMOND
24” DESALINATEDWATER PIPELINE TO
MMWD DISTRIBUTION
36” SOURCE WATER PIPELINE
MMWD
DESALINATIO
N
FACILIT
Y
EXISTING MMWD PELICAN WAY STORAGE SITE
36” INTAKE PIPELINE
UNDER PIER
FULL SCALE FACILITY INTAKE SCREENS AND
PUMP STATION
24” BRINE PIPELINE
BRINE PIPELINE CONNECTS TO EXISTING CMSA VALVE BOX
CENTRAL MARINSANITATION
AGENCY (CMSA)EXISTING CMSA EFFLUENT PIPELINE
EXISTING CMSA OUTFALL (8,600 FT. +/-)
TO SIR
FRANCIS
DRAKE
N
PACIFIC OCEAN
SAN FRANCISCO
BAY
PROJECTLOCATION
MMWD Full Scale Desalination Project