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Effluent Reuse Study Update
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Groundwater Replenishment
System Projects
WON
70 MGD 30 MGD 30 MGD j
4 -------4--------------�-------
r
C]wRs Initial Final
Expansion Expansion
2008 2015 ?
--- ------ ---- ------
Challenge : Conveyance
t405 Freeway
OCWD GWRS Facility
OCSD Plant No. 1
Lk17
i
' Exist 66-inch
3 Pipeline to be
,4.
Rehabilitated
ro
OCSD Plant No. 2
o New EQ Tank �{
Q
New Pump Station
r
gash
12"Waste
M 84"Sunflower
4w
42"Euclid
54 Newhope
84"SARI
Plant 1 84"Talbert
M&D 78"Airbase
GWRS Final Expansion
Implementation Plan
SARI and SS Flows from Plant Secondary Effuent to Plant No.1
No.2 via(E)72"Interplant via(E)66"Pipeline Slip Lined
Diversion Pipeline
Plant No. 1 Plant No. 2 Secondary Effluent to
Plant No.1 via(E)66"
SARI and SS Flows to Plant
No'2 via(E)72"Interplant r———-i - Pipeline Slip Lined
Diversion Pipeline
4
OCWD
Equa IzationTank
� GWRS ( r � d..
c
PLANT r' (N)Flow
IL-1 NO. 1 ` Metering Vault
r i Half of(E)Headworks
_ / for SARI and SS Flows
r, (E)Diversion
L. J I Structure s
+II► I� - / (N)Plant No.2 Effluent
— `"4 Pump Station
t
� (N)58"Pipeline Connect to _ ,
Dewatering _ �� ' , i Proposed J-117
SEJB6 Centrifuges Outfall Low Flow
OCSDJ Pump Station
Secondary Effluent from
Plant No.2 via(1)66"Pipeline PLANT
Slip Lined NO.2Rehab or Replace(E)
Legend'
A-side Primary Clarifiers
_ _ _OCWO GwaS = for SARI and SS Flows
_OCSO Property Line
Existing Interplant Pipeline �- �„-„ �,,, j (N)Secondary Effluent to
Alternative 2-2A:Combined SARI and Sidestream (N)Primary Effluent _ (W Plant No.2 Effluent Pump
Treatment with Existing AS at Plant No-2 Pump Station ,,- - r �� Station via 36"Pipeline
Alternative 3-1:6MG Above-Ground Tank Syr' 1
Alternative 4-8:72-8,One Common Pump Station Halfof(E)Pure Oxygen 'A '
and Rehab Levee Pipeline Activated Sludge for (N)Distribution Box
(E) Existing SARI and SS Flows -
(N) New (E)Secondary (N)Activated Sludge
Clarifiers G-L Isolated Secondary Effluent
forSARl and SSflows ` PUMPStation
r
GWRS Final Expansion
Preliminary Cost Estimate
'JP ion -A F Cost (Millions)
,,roject Dqj"ti a 'md It
OCSD Plant No. 2 Headworks SARI Segregation $45
OCSD Plant No. 2 Pump Station $18
OCSD Plant No. 2 Six MG Flow EQTank $23
OCSD Slip Line existing OCSD pipeline w/ 58" HDPE $37
OCWD AWTF Expansion to 130 mgd 130
Total* $253
*Represents total costs for OCWD. Planned OCSD & OCWD CIP Projects not included.
Project Schedules
2016 2017 2018 2019 2020 2021 2022
Agreement between OCSD and OCWD p
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RECOMMENDED PROJECTS(RP)
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Scope RFP Detailed Design and
RP-1.1:SP-173 Plant No.2 Headworks Split iPredesign Constructioni
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i Scope RFD Detailed Design and
RP-1.3:Plant No.2 Plant Water Pump Station Relocation Predesign Construction
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RP-2:SP-173 Plant No.2GWRS Flow Equalization Tank i Bid j i i
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RP-3:SP-173 Plant No.2 Effluent Pump Station i i iRFP Bid
i IPermitting Construction
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ailed a
RP-4:SP-173 Plant No.2 Effluent Pipeline Rehabilitation ! ! RIFP DesignPermitting
Bid
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GWRS FINAL EXPANSION i •I'-I'i-I o Bid
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OCSD CIP PROJECTS i I 1 I [ I i
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2-72(A)Newhope-Placentia Trunk Replacement [ Construction
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2-72(B&C)Newhope-Placentia Trunk Replacement i i i i i i i • i i i i
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1-117 Ocean Outfall System RehabilitationConstruction
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P1-101 Sludge Dewatering and Odor Control at Plant No.iConstruction
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P2-92 Sludge Dewatering and Odor Control at Plant No.2 i Construction
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P2-98 Plant No.2 Primary Treatment System Rehabilitation(A-Side) DIKE to F&G to be completed in,2�23
be completed
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Next Steps
Finalize Implementation Plan (July 2016)
OCSD/OCWD Board Approval for Projects (September 2016)
Finalize Agency Agreement (December 2016)
Execute Projects (2022/2023 Final Expansion Online)
Decreasing Flows Coming to OCSD
Orange County Sanitation District
Plant No. 1 & Plant No. 2 Combined Influent Flow
July 1994 - January 2015
290
280
270 1998 Current Flow
260 255 MGD 182 MGD
250
240
0 230
LL
220
210
200
190
180
It LO co � 00 0') O N M LO O rl- 00 O O N M
M M M 6') 6) O O O O O O O O O O O
— — — — — — — — — — — — — — — — — — — — —
7 7 7 73 7 7 73 7 :3 :3 7 :3 :3 7 :3 7 7 :3 7
OCSD/GWRS Final Expansion Flows
Item Flow Ave. GWRS FE
Produced'
Current Plant No. 1 & 2 Influent 182 MGD
Segregated SARI Influent to Plant No. 2 -31 MGD
OCSD Plant Water Usage -2 MGD
Total Flows Available for GWRS Final Expansion 149 MGD 111 MGD
Segregated OCSD Sidestream Wasteflows -6 MGD
MF Backwash Waste Flows 16 MGD
OCSD 2-72 SARI WW Diversion Projects' 3-8 MGD
Total Flows Available for GWRS Final Expansion 162 - 167 MGD 120 - 125 MGD
Preferred Influent for GWRS Final Expansion 174 MGD 130 MGD
1) Assumes 4 MGD Secondary Effluent for GAP and 85% RO Recovery;
2) Exact diversion flows are currently being evaluated by OCSD;
3) Potential additional source flows include Extraction Well Discharges, MF Cleaning Wastes, Additional SARI WW Diversions
Groundwater Replenishment System
Anaheim Spreading Santa Ana
Facilities River
Future mid-basin �•.
injection Santiago Creek
R •.
= - • Seawater Groundwater Basin
Intrusion (OCWD Boundary)
Pacific Ocean Barrier
ow M❑
OCWD ❑� OCSD
Advanced Water Treatment
Treatment Plant Plants
Ocean Pipeline N
Outfall
GWRS Flows and Production
GWIRS Max GWRS Yearly Average Daily
Daily Production Production Production
Goal Goal
GWRS 70 701000 62.5
GWRS Initial 100 1031000 92
Expansion
GWRS Final Expansion 130 1341000 120
Advanced Water Treatment
Microfiltration (MF)
Reverse Osmosis (RO)
E
Ultraviolet
Light (UV) .-- '
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Questions
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