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Dennis Cushman, Assistant General Manager presented to the League of California Cities, San Diego Division on October 13, 2014.
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League of Cities, San Diego Oct. 13, 2014
Dennis A. Cushman, Assistant General Manager San Diego County Water Authority
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Public-private partnership with Poseidon Water
50 mgd (56,000 AF/year)
Largest seawater desalination project in Western Hemisphere
65% complete Expected on-line in
Fall 2015
Outfall
Mouth of Lagoon
P acific O cean
E ncina P ow er S ta tion
D esa l W TP
Carlsbad
San Marcos
TO V W TP
Pipe
line
4
Pipe
line
3
P3 relining 5-miles
New 54-inch steel pipe 10-miles
Pipeline Interconnection
TOVWTP Improvements
Project Components
4 4 4
5
September 2013 September 2014
Carlsbad Flyover
7
Total Capital Cost
Total O&M Costs (Plant and Pipeline) $49 million - $54 million annually
Total Unit Cost
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56,000 acre feet per year 48,000 acre feet per year
$2,014/AF $2,257/AF
Total desalination plant $537 million Total conveyance pipeline $159 million Financing costs $227 million Water Authority improvements and oversight $80 million Total Capital Costs $1.003 billion
$500
$1,500
$2,500
$3,500
$4,500
$5,500
$6,500
$7,500
$8,500
$9,500
2013 2015 2017 2019 2021 2023 2025 2027 2029 2031 2033 2035 2037 2039 2041 2043 2045
$/AF
MWD Low Desal Low MWD High Desal High
Comparing the Projected Cost of Seawater Desalination and MWD Full-Service Treated Water
Calendar Year
10
Less than $5 per month,
10%
$5-$9 per
month, 18%
$10-$14 per
month, 23%
$15-$19, 7%
$20 or more per month,
10%
58% respondents indicated willingness to pay an additional
$5 or more per month for seawater desalination
68% would pay something more.
San Diego County Water Authority 2012 Public Opinion Poll
Projected Typical Residential
Monthly Retail Cost 2016
Percent Retail Impact
$5.14 approx. 7%
$7.545 billion water bond passed Legislature and signed by Governor on August 13: ◦ Senate vote: 37-0 ◦ Assembly vote: 77-2 ◦ United support from San
Diego County delegation
On November 4, 2014 ballot as Proposition 1
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Substantial competitive funding opportunities: ◦ Chapter 9: $725 million for water
recycling and advanced treatment technology projects – including potable and non-potable reuse and seawater desalination projects
◦ Chapter 6: $475 million to help fulfill state obligations, including mitigation and restoration obligations at the Salton Sea as part of the QSA
◦ Chapter 7: $100 million for water use efficiency projects
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Specific allocations to San Diego region: ◦ 11% of all regionally allocated
funds – an equitable apportionment
◦ Chapter 7: $52.5 million for local and regional Integrated Regional Water Management projects
◦ Chapter 6: $17 million to the San Diego River Conservancy for land conservation, open space, habitat, wetlands, and water quality improvement opportunities in San Diego River watershed