Total for Month This Year Last Year

BASIN SUPPLIES

Water Purchases from MWD (excludes In Lieu) 6,564 28,530 8,793

Water into MWD Storage Account (excludes In Lieu) 0 0 0

SAR & Santiago Creek Flows 6,602 17,761 30,464

(accounts for storage to/from recharge facilities)

GWRS Water to Forebay 5,521 19,421 21,436

GWRS Water to Mid-Basin Injection Wells 153 505 627

GWRS Water to Talbert Barrier 3,276 11,921 12,633

OC-44 Water to Talbert Barrier 0 4 4

Alamitos Barrier Water 112 541 783

Incidental Recharge (estimated) 3,000 12,000 12,124

Evaporation from Recharge Basins (274) (1,383) (1,456)

River Flow Lost to Ocean 0 0 (110)

Total Groundwater Recharge 24,955 89,300 85,297

WATER PRODUCTION

Groundwater Production 27,542 115,934 98,632

MWD Storage Program Withdrawals 0 0 5,267

Total Groundwater Production 27,542 115,934 103,899

BASIN BALANCEChange in Groundwater Storage (2,587) (26,634) (18,602)Change in Groundwater Storage excluding MWD Stored Water (2,587) (26,634) (18,602)Accumulated Overdraft ------ 405,635 399,603Accumulated Overdraft excluding MWD Storage ------ 405,811 410,741

IN LIEU WATEROCWD In Lieu Purchases 0 0 0MWD In Lieu Storage 0 0 0

Total In Lieu 0 0 0

OTHER KEY INFORMATION1. MWD Water Deliveries to Producers 5,391 27,799 23,4192. Basin Production Percentage 83.6% 80.7% 77.5%3. Total Water Demand 34,361 149,818 133,2714. Total GWRS Production 9,111 32,393 35,3565. Green Acres Project Water 416 1,886 1,8236. SAR Water Quality

- Total Dissolved Solids (TDS) of SAR below Prado Dam (ppm) 690 ------ 530- Total Nitrogen of SAR below Prado Dam (ppm) 3.7 ------ 2.2

7. Month-End Water Storage Behind Prado Dam 269 ------ 08. Month-End Water Storage in Recharge Facilities 9,476 ------ 7,0399. Water Storage Change in Recharge Facilities (406) (1,365) (2,694)10. Total Artificial Recharge 21,954 77,300 73,17211. Monthly Mean Temperature at Santa Ana Fire Station (°F) 71.1 ------ 74.012. Rainfall at FHQ (inches) 0.71 0.72 2.76

11/10/2016

WATER RESOURCES SUMMARYOctober 2016

INFLOWS & OUTFLOWS Year to Date - (acre-feet)

Budget Actual Budget Actual Difference Percent

35,200 34,361 153,000 149,818 -3,182 97.92%

25,350 27,542 114,000 115,934 1,934 101.70%

$10,190,700 $11,071,819 $45,828,000 $46,605,485 $777,485 101.70%

Monthly Accumulated Total for the Year

Page 2 of 10

Total Water Demand

Total Pumping

RA Revenue

0

50

100

150

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250

300

2000 2002 2004 2006 2008 2010 2012 2014 2016

Flo

w (

MG

D)

Orange County Sanitation District Influent Flows Report

Plant 1 Influent Plant 2 Influent Total Flow

0

100

200

300

400

500

Acr

e-fe

et (

Tho

usan

ds)

2015-16 Water Demands/Groundwater Pumping/RARevenue Report

Total Water Demand Budgeted Total Water Demand ActualTotal Pumping Budgeted Total Pumping Actual

Page 3 of 10

(500)

(400)

(300)

(200)

(100)

0

1969 1974 1979 1984 1989 1994 1999 2004 2009 2014 2019

Acc

umul

ated

Ove

rdra

ft (T

AF

)Accumulated Overdraft

Overdraft Overdraft w/o MWD Storage Water

Basin Full 1969

Calendar Year

-100

-80

-60

-40

-20

0

20

40

97-9

8

98-9

9

99-0

0

00-0

1

01-0

2

02-0

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03-0

4

04-0

5

05-0

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7

07-0

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10-1

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11-1

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12-1

3

13-1

4

14-1

5

15-1

6

16-1

7

Cha

nge

in S

tora

ge (

TA

F)

Water Year

YTD Change in Groundwater Storage in OCWD

2016-17 2015-16 YTD OCT 2016-17 2015-16

WATER Ground-n YTD YTD % Diff 2016 YTD YTDAGENCY water (1) e Demand Demand Demand BPP BPP BPP

Anaheim 3,980 0 909 4,889 21,621 18,464 117% 81.4% 80.4% 75.7%

Buena Park 847 0 278 1,125 4,767 4,452 107% 75.3% 85.3% 77.2%

East Orange County 68 0 0 68 305 229 133% 100.0% 84.3% 100.0%

Fountain Valley 735 101 0 836 3,740 3,569 105% 100.0% 93.7% 75.7%

Fullerton 1,610 0 570 2,180 9,668 8,845 109% 73.8% 80.0% 80.6%

Garden Grove 1,722 0 228 1,950 8,451 7,719 109% 88.3% 72.9% 76.1%

Golden State 1,723 0 423 2,145 9,024 7,608 119% 80.3% 77.2% 76.4%

West OC System 1,210 0 1 1,211 5,190 4,676 111% 99.9% 94.9% 99.8%

East OC System 512 0 422 934 3,834 2,932 131% 54.9% 53.3% 51.3%

Huntington Beach 1,437 0 778 2,215 10,037 8,811 114% 64.9% 60.6% 68.4%

Irvine Ranch 4,608 1,119 97 5,824 24,196 22,621 107% 97.9% 97.8% 99.5%

DRWF Clear 2,703 0 - 2,703 11,350 11,332 100% na na na

DRWF Color 724 0 - 724 2,929 2,853 103% na na na

Laguna Beach 187 0 0 187 0 0 na 100.0% 26.5% 0.0%

La Palma 195 0 87 282 854 620 138% 69.1% 55.0% 61.6%

Mesa Water (MW) 1,351 71 80 1,503 6,893 5,971 115% 94.4% 98.7% 100.0%

MW Clear 655 0 - 655 3,418 3,605 95% na na na

MW Color 696 0 - 696 2,853 1,899 150% na na na

Newport Beach 1,378 39 42 1,459 5,831 5,110 114% 97.0% 95.6% 77.8%

Orange 1,751 0 275 2,026 9,821 8,741 112% 86.4% 79.0% 59.0%

OCWD (GAP) 14 0 0 14 72 40 181% 100.0% 100.0% 100.0%

Santa Ana 2,375 99 497 2,970 12,549 11,984 105% 82.7% 75.3% 61.9%

Seal Beach 295 0 27 322 1,353 1,211 112% 91.5% 36.0% 27.3%

Serrano 185 0 50 235 1,101 795 139% 78.6% 76.3% 52.1%

Tustin 671 0 163 834 3,782 3,416 111% 80.4% 82.4% 80.7%

Westminster 550 0 365 915 3,900 3,724 105% 60.2% 72.8% 78.4%

Yorba Linda 1,130 0 513 1,642 7,505 5,977 126% 68.8% 69.1% 65.4%

SUBTOTAL: 26,810 1,428 5,384 33,622 145,470 129,905 112% 83.6% 80.7% 77.5%

Other Producers 732 0 7 739 3,117 3,367 93%

(Est ~3% of Subtotal)

TOTAL: 27,542 1,428 5,391 34,361 148,587 133,271 83.6% 80.7% 77.5%

OCWD (Talbert Barrier) 0 3,276 0 3,276 11,926 12,637

OCSD (GAP) na 106 na 106 316 375

Estimated

(1) Excludes MWD CUP Withdrawals

(2) Includes MWD CUP Withdrawals

Page 4 of 10

PRODUCERS WATER USAGE SUMMARYOctober 2016

(AF except BPP)

DemandReclaimed Total Total

11/10/2016 14:23

Water Import (2)

Page 5 of 10

0

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300

350

Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Pro

duct

ion

(TA

F)

Annual Groundwater Production

2014-15 2015-16 2016-17

0

50

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97-9

8

98-9

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99-0

0

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1

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5

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6

16-1

7

Tot

al D

eman

d (T

AF

)

Water Year

YTD Total Demand in OCWD

Groundwater MWD+OCWD In Lieu CUP Withdrawals Import Recycled Water

Page 6 of 10

0

50

100

150

200

250

Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Rec

harg

e (T

AF

)

Annual Forebay Recharge

2014-15 2015-16 2016-17

0

20

40

60

80

100

120

97-9

8

98-9

9

99-0

0

00-0

1

01-0

2

02-0

3

03-0

4

04-0

5

05-0

6

06-0

7

07-0

8

08-0

9

09-1

0

10-1

1

11-1

2

12-1

3

13-1

4

14-1

5

15-1

6

16-1

7

Rec

harg

e (T

AF

)

Water Year

YTD Artificial Recharge by OCWD

SAR & Santiago Purchases CUP Direct GWRS

RIVER SYSTEM average perc 41 cfs

DESILTING SYSTEM

OFF-RIVER SYSTEM Includes 5 Coves

WARNER SYSTEM Includes Foster and Conrock basins

OLIVE BASIN 0

ANAHEIM LAKE OC-28 inflow

MINI-ANA LAKE OC-28 inflow

MILLER BASIN OC-28, GWR inflow

KRAEMER BASIN GWR inflow

MIRA LOMA GWR inflow

LA JOLLA BASIN

PLACENTIA BASIN

RAYMOND BASIN

FIVE COVES BASIN see off river system

BURRIS BASIN

RIVER VIEW BASIN

SANTIAGO BASINS

SANTIAGO CREEK

TOTALS

5-YR AVERAGE

Imperial Headgates (estimated) 6,155 Est'd SAR flow past Chapman Ave. 0

GWRS 5,523

OC-28 (MWD) 505 Est'd Santiago Cr. flow to SAR 0

OC-28a (MWD) 6,060 Est'd flows past Raymond Basin 0

CB-11 0

CB-18 0

Est'd local Forebay inflow below Imperial 0 Calc'd evap (inches) Estimated 4.7

Est'd local Santiago inflow (estimated) 0 Est'd evaporative losses 274

Irvine lake releases (OC-13 MWD) 0

Villa Park Dam releases (estimated) 0

Precip at Warner Basin (inches) 0.71

Precip direct to open water surfaces 41

TOTAL INFLOW 18,284 TOTAL LOSSES

Facility Begin End Net

Deep basins 6,512 6,099 -413 TOTAL INFLOW 18,284

Santiago Pits 3,370 3,377 7 TOTAL LOSSES 274

River 0 STORAGE CHANGE -406

Off-river 0 CALC'D PERCOLATION 18,415

Irvine Lake

TOTAL 9,882 9,476 -406

Page 7 of 10

1,966

RECHARGE AREAS REPORTOctober 2016

Percolation (AF) Remarks

2,544

20

1,478

887

347

3,646

323

16,189

1,507

3,962

638

0

174

na

310

27

476

110

18,415

STORAGE CHANGES (AF) SUMMARY (AF)

FLOWS TO RECHARGE AREAS (AF) LOSSES FROM RECHARGE AREAS (AF)

274

Facility Storage Storage Maximum Total Max Avg Avg W.S.

Start End Storage Perc Perc Perc Elev

Desilting Ponds 30 10 230 20 na na na

Fos-Huckleberry 525 503 630 na na na na

Conrock Basin 555 554 660 na na na na

Warner Basins 2,780 2,678 2,810 887 na na 237

Olive Pit 8 84 183 347 23 11 211

Anaheim Lake 848 944 2,300 3,646 135 118 198

Mini-Anaheim Lk 8 4 21 323 na na na

Miller Basin 105 57 340 1,966 78 63 207

Kraemer Basin 0 35 1,050 1,507 58 49 168

Mira Loma 32 17 62 3,962 136 128 216

La Jolla Basin 12 14 36 638 30 21 202

Placentia Basin 0 0 350 0 na na na

Raymond Basin 130 0 370 174 na na na

Five Coves Basins 0 139 350 na na na na

Burris Pit 1,480 1,060 2,670 310 na na na

River View Basin 0 0 12 27 na na na

Santiago (Bond) 2,350 2,400 8,690 476 na na na

Santiago (Blu Dia) 1,020 977 5,240 - - - na

Totals 9,882 9,476 26,004 14,283

Prado Dam 6 269 25,000

Page 8 of 10

DEEP BASINS MONTHLY STATUS

October 2016

(values in acre-feet)

Page 9 of 10

0

5

10

15

Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Rai

nfal

l (In

ches

)Cumulative Forebay Rainfall

25-Yr Avg. Rain 2015-16 2016-17

55

60

65

70

75

80

Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Tem

pera

ture

(F

˚)

Temperature at Santa Ana Fire Station

15-yr. Avg. 2015-16 2016-17

Page 10 of 10

2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017-40

-30

-20

-10

0

10

20

30

40W

ater

Lev

el E

leva

tion

(Fee

t MS

L)

0

1,000

2,000

3,000

Talb

ert B

arrie

r Inj

ectio

n (A

-ft)

Talbert/Lambda Aquifer Mergence ZonePerforated Interval: 71 - 135 ft. bgsTalbert Barrier InjectionProtective Level to Prevent Seawater Intrusion

TALBERT BARRIER MONITORING WELL OCWD-M26

9,000

6,000

3,000

0

Gro

undw

ater

Pro

duct

ion

(A-ft

)

Fountain Valley Groundwater ProductionIRWD Groundwater ProductionMesa Water Groundwater ProductionHuntington Beach Groundwater ProductionNewport Beach Groundwater Production