Total for Month This Year Last Year

BASIN SUPPLIES

Water Purchases from MWD (excludes In Lieu) 7,507 14,942 6,479

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

SAR & Santiago Creek Flows 3,181 6,579 11,729

(accounts for storage to/from recharge facilities)

GWRS Water to Forebay 5,665 11,011 10,037

GWRS Water to Mid-Basin Injection Wells 135 285 269

GWRS Water to Talbert Barrier 3,051 6,145 6,510

OC-44 Water to Talbert Barrier 1 1 2

Alamitos Barrier Water 136 308 333

Incidental Recharge (estimated) 3,500 7,000 7,000

Evaporation from Recharge Basins (344) (764) (840)

River Flow Lost to Ocean 0 0 0

Total Groundwater Recharge 22,831 45,507 41,520

WATER PRODUCTION

Groundwater Production 30,598 59,984 52,623

MWD Storage Program Withdrawals 0 0 0

Total Groundwater Production 30,598 59,984 52,623

BASIN BALANCEChange in Groundwater Storage (7,767) (14,478) (11,104)Change in Groundwater Storage excluding MWD Stored Water (7,767) (14,478) (11,104)Accumulated Overdraft ------ 381,800 384,351Accumulated Overdraft excluding MWD Storage ------ 382,340 401,145

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 7,960 15,566 13,0572. Basin Production Percentage 79.4% 79.4% 80.1%3. Total Water Demand 40,170 78,746 68,7464. Total GWRS Production 8,851 17,441 16,8175. Green Acres Project Water 539 1,043 1,0486. SAR Water Quality

- Total Dissolved Solids (TDS) of SAR below Prado Dam (ppm) 452 ------ 746- Total Nitrogen of SAR below Prado Dam (ppm) 2.0 ------ 4.3

7. Month-End Water Storage Behind Prado Dam 6 ------ 08. Month-End Water Storage in Recharge Facilities 10,411 ------ 7,9839. Water Storage Change in Recharge Facilities 63 (430) (1,750)10. Total Artificial Recharge 19,196 38,221 34,25011. Monthly Mean Temperature at Santa Ana Fire Station (°F) 75.8 ------ 78.312. Rainfall at FHQ (inches) 0.00 0.00 1.12

9/14/2016

WATER RESOURCES SUMMARYAugust 2016

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

Budget Actual Budget Actual Difference Percent

40,650 40,170 79,700 78,746 -954 98.80%

30,380 30,598 59,700 59,984 284 100.48%

$12,212,760 $12,300,358 $23,999,400 $24,113,734 $114,334 100.48%

Monthly Accumulated Total for the Year

Page 2 of 10

Total Water Demand

Total Pumping

RA Revenue

0

50

100

150

200

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

-60

-50

-40

-30

-20

-10

0

10

20

30

40

95

-96

96

-97

97

-98

98

-99

99

-00

00

-01

01

-02

02

-03

03

-04

04

-05

05

-06

06

-07

07

-08

08

-09

09

-10

10

-11

11

-12

12

-13

13

-14

14

-15

15

-16

16

-17

Cha

nge

in S

tora

ge (

TA

F)

Water Year

YTD Change in Groundwater Storage in OCWD

2016-17 2015-16 YTD AUG 2016-17 2015-16

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

Anaheim 4,925 0 1,291 6,216 11,578 9,921 117% 79.2% 80.4% 77.9%

Buena Park 1,166 0 147 1,313 2,542 2,336 109% 88.8% 88.5% 79.3%

East Orange County 87 0 0 87 168 123 137% 100.0% 71.6% 100.0%

Fountain Valley 813 177 15 1,005 1,980 1,865 106% 98.2% 87.8% 75.7%

Fullerton 2,097 0 465 2,562 5,062 4,587 110% 81.8% 81.9% 85.9%

Garden Grove 1,481 0 741 2,222 4,409 4,004 110% 66.6% 70.2% 84.6%

Golden State 1,721 0 593 2,314 4,607 3,889 118% 74.4% 73.8% 80.0%

West OC System 1,255 0 109 1,363 2,703 2,394 113% 92.0% 90.3% 99.9%

East OC System 466 0 484 951 1,904 1,495 127% 49.1% 50.4% 48.2%

Huntington Beach 1,586 0 1,094 2,680 5,281 4,566 116% 59.2% 57.3% 62.7%

Irvine Ranch 5,055 1,146 132 6,333 12,480 11,200 111% 97.5% 97.6% 99.5%

DRWF Clear 3,025 0 - 3,025 5,789 5,490 105% 0.0% na na

DRWF Color 720 0 - 720 1,490 1,382 108% 0.0% na na

Laguna Beach 0 0 359 0 0 0 0.0% 0.0%

La Palma 80 0 101 180 355 323 110% 44.2% 43.2% 59.2%

Mesa Water (MW) 1,685 171 0 1,856 3,696 3,094 119% 100.0% 100.0% 100.0%

MW Clear 934 0 - 934 1,864 1,839 101% 0.0% na na

MW Color 751 0 - 751 1,489 995 150% 0.0% na na

Newport Beach 1,354 80 116 1,549 3,050 2,725 112% 92.1% 94.3% 88.4%

Orange 2,019 0 651 2,669 5,260 4,398 120% 75.6% 77.2% 57.5%

OCWD (GAP) 21 0 0 21 41 23 181% 100.0% 100.0% 100.0%

Santa Ana 2,367 38 863 3,268 6,538 6,138 107% 73.3% 73.4% 72.3%

Seal Beach 59 0 281 340 685 628 109% 17.4% 17.6% 26.1%

Serrano 217 0 84 300 598 407 147% 72.2% 75.1% 76.0%

Tustin 876 0 146 1,022 2,029 1,781 114% 85.7% 81.6% 84.9%

Westminster 786 0 234 1,020 2,033 1,915 106% 77.0% 76.7% 79.8%

Yorba Linda 1,393 0 635 2,028 4,020 3,120 129% 68.7% 69.4% 67.9%

SUBTOTAL: 29,785 1,612 7,590 38,987 76,411 67,040 114% 79.4% 79.4% 80.1%

Other Producers 813 0 10 824 1,614 1,707 95%

(Est ~3% of Subtotal)

TOTAL: 30,598 1,612 7,600 39,810 78,025 68,746 79.4% 79.4% 80.1%

OCWD (Talbert Barrier) 0 3,051 1 3,051 6,145 6,513

OCSD (GAP) na 73 na 73 138 227

Estimated

(1) Excludes MWD CUP Withdrawals

(2) Includes MWD CUP Withdrawals

Page 4 of 10

PRODUCERS WATER USAGE SUMMARYAugust 2016

(AF except BPP)

DemandReclaimed Total Total

9/14/2016 15:30

Water Import (2)

Page 5 of 10

0

50

100

150

200

250

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

20

40

60

80

100

120

95

-96

96

-97

97

-98

98

-99

99

-00

00

-01

01

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-03

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-04

04

-05

05

-06

06

-07

07

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08

-09

09

-10

10

-11

11

-12

12

-13

13

-14

14

-15

15

-16

16

-17

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

10

20

30

40

50

60

70

95

-96

96

-97

97

-98

98

-99

99

-00

00

-01

01

-02

02

-03

03

-04

04

-05

05

-06

06

-07

07

-08

08

-09

09

-10

10

-11

11

-12

12

-13

13

-14

14

-15

15

-16

16

-17

Rec

harg

e (T

AF

)

Water Year

YTD Artificial Recharge by OCWD

SAR & Santiago Purchases CUP Direct GWRS

RIVER SYSTEM average perc 42 cfs

DESILTING SYSTEM

OFF-RIVER SYSTEM Includes 5 Coves

WARNER SYSTEM Includes Foster and Conrock basins

OLIVE BASIN Passive system inflow

ANAHEIM LAKE OC-28 inflow

MINI-ANA LAKE 0

MILLER BASIN OC-28 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) 7,676 Est'd SAR flow past Chapman Ave. 0

GWRS 5,667

OC-28 (MWD) 3,075 Est'd Santiago Cr. flow to SAR 0

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

CB-11 4,432

CB-18 0

Est'd local Forebay inflow below Imperial 0 Calc'd evap (inches) Estimated 5.9

Est'd local Santiago inflow (estimated) 0 Est'd evaporative losses 344

Irvine lake releases (OC-13 MWD) 0

Villa Park Dam releases (estimated) 0

Precip at Warner Basin (inches) 0

Precip direct to open water surfaces 0

TOTAL INFLOW 16,418 TOTAL LOSSES

Facility Begin End Net

Deep basins 7,274 7,284 10 TOTAL INFLOW 16,418

Santiago Pits 3,074 3,127 53 TOTAL LOSSES 344

River 0 STORAGE CHANGE 63

Off-river 0 CALC'D PERCOLATION 16,011

Irvine Lake

TOTAL 10,348 10,411 63

Page 7 of 10

872

RECHARGE AREAS REPORTAugust 2016

Percolation (AF) Remarks

2,607

30

1,388

704

473

301

12

15,497

1,990

3,896

958

na

727

na

1,810

0

243

0

16,011

STORAGE CHANGES (AF) SUMMARY (AF)

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

344

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

Start End Storage Perc Perc Perc Elev

Desilting Ponds 90 60 230 30 na na na

Fos-Huckleberry 523 520 630 na na na na

Conrock Basin 551 551 660 na na na na

Warner Basins 2,562 2,647 2,810 704 na na 235

Olive Pit 0 96 183 473 na na na

Anaheim Lake 370 40 2,300 301 68 22 172

Mini-Anaheim Lk 0 3 21 12 na na na

Miller Basin 0 0 340 872 63 28 204

Kraemer Basin 732 667 1,050 1,990 91 64 203

Mira Loma 27 15 62 3,896 131 126 216

La Jolla Basin 0 5 36 958 44 31 201

Placentia Basin 0 0 350 na na na na

Raymond Basin 0 120 370 727 na na na

Five Coves Basins 159 160 350 na na na na

Burris Pit 2,260 2,400 2,670 1,810 61 58 170

River View Basin 0 0 12 0 na na na

Santiago (Bond) 2,013 2,088 8,690 243 na na na

Santiago (Blu Dia) 1,061 1,039 5,240 - - - na

Totals 10,348 10,411 26,004 12,016

Prado Dam 3 6 25,000

Page 8 of 10

DEEP BASINS MONTHLY STATUS

August 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