1. Poseidon Distribution Options
Options 1 – 3 include new facilities to take 15 mgd of Poseidon Water into the Talbert Seawater Barrier; an equal amount of displaced GWRS water is sent to Burris Basin
Option #
35 Mgd Option Descriptions
Capital Cost 1A
26 Injection Wells and necessary pipelines
$305 M 1B
New pipeline branching off of GWRS pipeline to Kraemer Basin and 16 injection wells
$316 M 1C
New pipeline from Fountain Valley to Anaheim and a new 20 acre recharge basin
$280 M 1D
Sell additional water to Newport Beach and Huntington Beach and 20 injection wells
$250 M 2
New pipeline up Newland to WOCWB Line to distribute water to 5 Producers
$97 M 3
Same as option #2 plus a new pipeline to send water to SOC;
$161 M 4
Original Poseidon Distribution of Water into OC44 and EOCF#2
$108 M

2. GWRS Final Expansion (30 mgd of new water)
Kraemer
Miller
15 mgd
Miraloma
60”
La Palma
Burris
Booster Pump Station to send additional 15 mgd to Kraemer Basin (85 to 100 mgd)
GWRS Final Expansion (30 mgd of new water)
7 mgd
66”
Willowick Golf Course
72”
Edinger
Five Mid Basin Injection Wells at Centennial Park - ~8 mgd
GWRS Pipeline (not to scale)
78”

3. Desal Option 1A $305 Million $465/af 26 Injection Wells Facility
Ball Road Basin Inj. Wells
Facility
Flow (MGD)
Ball Road Basin Inj. Wells
4.5
ARTIC Inj. Well 2
Campesino Park Inj. Wells
Dyer Wellfield Inj. Wells 12
SAR Injection Wells 6
Talbert Seawater Barrier 15
Southeast Talbert Inj. Wells
TOTAL 50
ARTIC Inj. Well
Campesino Park Inj. Wells
Dyer Wellfield Inj. Wells
SAR Injection Wells
Desal Distribution Pump Station
Southeast Talbert Inj. Wells
$305 Million
$465/af
26 Injection Wells
54-inch Desal Distribution Pipe

4. Desal Option 1B $316 Million $478/af 16 Injection Wells Facility
Flow (MGD)
Kraemer Basin Recharge 15
ARTIC Inj. Well 2
Dyer Wellfield Inj. Wells 12
Talbert Seawater Barrier
Southeast Talbert Inj. Wells 6
TOTAL 50
ARTIC Inj. Well
30-inch Desal Kraemer Distribution Pipeline
Dyer Wellfield Inj. Wells
$316 Million
$478/af
16 Injection Wells
Southeast Talbert Inj. Wells
54-inch Desal Distribution Pipe

5. Desal Option 1C $280 Million $415/af 0 Injection Wells Facility
New Recharge Basin
Facility
Flow (MGD)
New Recharge Basin 35
Talbert Seawater Barrier 15
TOTAL 50
42-inch Desal Recharge Basin Distribution Pipeline
$280 Million
$415/af
0 Injection Wells
42-inch Desal Barrier Distribution Pipeline

6. Desal Option 1D $250 Million $398/af 20 Injection Wells Facility
Flow (MGD)
ARTIC Inj. Well 2
Dyer Wellfield Inj. Wells 12
SAR Injection Wells 6
Talbert Seawater Barrier 15
Southeast Talbert Inj. Wells
54-inch Desal Pipeline Turnouts to OC Producers 9
TOTAL 50
ARTIC Inj. Well
Dyer Wellfield Inj. Wells
SAR Injection Wells
Desal Distribution Pump Station
Southeast Talbert Inj. Wells
$250 Million
$398/af
20 Injection Wells
54-inch Desal Distribution Pipe

7. Total Expected Future Recharge with Poseidon Water (afy)

8. Desal Option 2 $97 Million $165/af Facility Flow (MGD)
OC Producers via WOCWBF 27
OC Producers via Adams 8
Talbert Seawater Barrier 15
TOTAL 50
42-inch Desal Producer Distribution Pipe via WOCWBF
24-inch Desal Producer Distribution Pipe via Adams
$97 Million
$165/af
42-inch Desal Distribution Pipe

9. Desal Option 3 $161 Million $243/af Facility Flow (MGD)
OC Producers via WOCWBF 25
South County via OC-44 & South County Desal Pipe 10
Talbert Seawater Barrier 15
TOTAL 50
42-inch Desal Producer Distribution Pipe via WOCWBF
36-inch OC-44 Pipe Improvements
42-inch Desal Distribution Pipe
$161 Million
$243/af
36-inch South County Desal Distribution Pipe
HB Desal Facility
EOCF No.2

10. New Issues No increase to future water demands
State’s emergency 25% water demand reduction
Permanent?
Standard operating procedure?
Modified?
Ocean desalination get credit?
MWD Indirect Potable Reuse project with LA County

11. Historical Total Water Demands (afy)
Projection

12. Future Water Supply Portfolio Total Water Demands 452,000 afy

13. Future Water Supply Portfolio Total Water Demands 452,000 afy

14. AAA Credit Rating Issues
Project will double OCWD’s operating budget; could approximately double necessary reserves to maintain 625 days coverage
Taking on any new debt – requires twice the revenues to maintain coverage ratio

15. Alternatives Study
Approved by Board with Term Sheet Approval in May 2015
Money set aside to hire consultant