Total for Month This Year Last Year

BASIN SUPPLIES

Water Purchases from MWD (excludes In Lieu) 2,766 6,479 12,234

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

SAR & Santiago Creek Flows 4,837 11,729 10,811

(accounts for storage to/from recharge facilities)

GWRS Water to Forebay 5,495 10,051 5,292

GWRS Water to Talbert Barrier 3,259 6,510 6,546

OC-44 Water to Talbert Barrier 1 2 3

Alamitos Barrier Water 173 333 490

Incidental Recharge (estimated) 3,500 7,000 8,369

Evaporation from Recharge Basins (420) (840) (592)

River Flow Lost to Ocean 0 0 0

Total Groundwater Recharge 19,611 41,264 43,152

WATER PRODUCTION

Groundwater Production 27,432 52,574 61,620

MWD Storage Program Withdrawals 0 0 5,057

Total Groundwater Production 27,432 52,574 66,677

BASIN BALANCEChange in Groundwater Storage (7,821) (11,310) (23,525)Change in Groundwater Storage excluding MWD Stored Water (7,821) (11,310) (23,525)Accumulated Overdraft ------ 392,310 365,526Accumulated Overdraft excluding MWD Storage ------ 409,094 400,371

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 6,520 13,065 18,2062. Basin Production Percentage 80.8% 80.1% 72.6%3. Total Water Demand 35,458 68,662 88,0824. Total GWRS Production 8,754 16,561 11,8375. Green Acres Project Water 541 1,048 1,1156. SAR Water Quality

- Total Dissolved Solids (TDS) of SAR below Prado Dam (ppm) 746 ------ 692- Total Nitrogen of SAR below Prado Dam (ppm) 4.3 ------ 0.3

7. Month-End Water Storage Behind Prado Dam 0 ------ 08. Month-End Water Storage in Recharge Facilities 7,983 ------ 7,5019. Water Storage Change in Recharge Facilities (837) (1,750) (2,650)10. Total Artificial Recharge 16,112 34,264 34,78211. Monthly Mean Temperature at Santa Ana Fire Station (°F) 78.3 ------ 76.412. Rainfall at FHQ (inches) 0.00 1.12 0.06

9/10/2015

WATER RESOURCES SUMMARYAugust 2015

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

Budget Actual Budget Actual Difference Percent

45,760 35,458 93,360 68,662 24,698 73.55%

32,050 27,432 65,300 52,574 12,726 80.51%

$10,320,100 $8,833,219 $21,026,600 $16,928,884 $4,097,716 80.51%

Monthly Accumulated Total for the Year

Page 2 of 10

Total Water Demand

Total Pumping

RA Revenue

0

50

100

150

200

250

300

1999 2001 2003 2005 2007 2009 2011 2013 2015

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)

2014-15 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

Cha

nge

in S

tora

ge (

TA

F)

Water Year

YTD Change in Groundwater Storage in OCWD

2015-16 2014-15 YTD AUG 2015-16 2014-15

WATER Ground- YTD YTD % Diff 2015 YTD YTDAGENCY water (1) Demand Demand Demand BPP BPP BPP

Anaheim 4,365 0 0 855 5,220 10,009 12,971 77% 83.6% 78.1% 71.9%

Buena Park 1,014 0 0 206 1,220 2,336 2,934 80% 83.1% 79.3% 72.0%

East Orange County 69 0 0 0 69 123 204 60% 100.0% 100.0% 100.0%

Fountain Valley 612 0 166 184 961 1,884 2,406 78% 76.9% 76.0% 100.0%

Fullerton 2,044 0 0 362 2,406 4,596 5,889 78% 84.9% 85.7% 74.1%

Garden Grove 1,701 0 0 339 2,040 3,999 4,964 81% 83.4% 84.6% 67.1%

Golden State 1,550 0 0 446 1,995 3,891 5,428 72% 77.7% 80.0% 65.4%

West OC System 1,228 0 0 0 1,228 2,396 3,192 75% 100.0% 99.9% 96.4%

East OC System 322 0 0 446 768 1,495 2,236 67% 41.9% 48.2% 40.0%

Huntington Beach 1,528 0 0 814 2,342 4,567 5,968 77% 65.3% 62.7% 58.4%

Irvine Ranch 4,518 0 166 22 4,706 11,055 12,373 89% 99.5% 99.5% 98.9%

DRWF Clear 2,872 0 0 - 2,872 5,490 5,918 93% 0.0% na na

DRWF Color 686 0 0 - 686 1,382 1,456 95% 0.0% na na

La Palma 101 0 0 63 165 323 416 78% 61.6% 59.1% 100.0%

Mesa Water (MW) 1,428 0 161 0 1,589 3,094 4,026 77% 100.0% 100.0% 83.0%

MW Clear 908 0 0 - 908 1,840 1,879 98% 0.0% na na

MW Color 520 0 0 - 520 995 1,196 83% 0.0% na na

Newport Beach 1,148 0 82 227 1,458 2,722 3,593 76% 83.5% 88.4% 74.9%

Orange 1,277 0 0 925 2,203 4,398 6,201 71% 58.0% 57.5% 69.1%

OCWD (GAP) 14 0 0 0 14 23 54 42% 100.0% 100.0% 100.0%

Santa Ana 2,215 0 31 863 3,109 6,130 7,558 81% 72.0% 72.2% 54.0%

Seal Beach 56 0 0 262 318 625 783 80% 17.5% 26.2% 20.8%

Serrano 166 0 0 54 220 407 693 59% 75.4% 76.0% 65.3%

Tustin 752 0 0 179 931 1,774 2,456 72% 80.8% 84.9% 62.2%

Westminster 902 0 0 184 1,086 1,915 2,354 81% 83.0% 79.8% 84.9%

Yorba Linda 1,110 0 0 525 1,635 3,120 4,688 67% 67.9% 67.9% 54.0%

SUBTOTAL: 26,569 0 606 6,511 33,686 66,991 85,957 78% 80.8% 80.1% 72.6%

Other Producers 863 na 0 8 872 1,671 2,125 79%

(Est ~3% of Subtotal)

TOTAL: 27,432 0 606 6,520 34,558 68,662 88,082 80.8% 80.1% 72.6%

OCWD (Talbert Barrier) 0 na 3,259 1 3,259 6,513 6,548

OCSD (GAP) na na 69 na 69 227 135

Estimated(1) Excludes MWD CUP Withdrawals

(2) Includes MWD CUP Withdrawals

Page 4 of 10

PRODUCERS WATER USAGE SUMMARYAugust 2015

(AF except BPP)

DemandMWD CUP Reclaimed Total Total

9/10/2015 11:13

Withdrawals Water Import (2)

Page 5 of 10

0

50

100

150

200

250

300

350

400

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

Pro

duct

ion

(TA

F)

Annual Groundwater Production

2013-14 2014-15 2015-16

0

20

40

60

80

100

120

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

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

20

40

60

80

100

120

140

160

180

200

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

Rec

harg

e (T

AF

)

Annual Forebay Recharge

2013-14 2014-15 2015-16

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

Rec

harg

e (T

AF

)

Water Year

YTD Artificial Recharge by OCWD

SAR & Santiago Purchases CUP Direct GWRS

RIVER SYSTEM Only used river from Imperial dam to Lakeview

DESILTING SYSTEM

OFF-RIVER SYSTEM Includes Olive and 5Coves basins

WARNER SYSTEM Includes Foster and Conrock basins

OLIVE BASIN see off river system

ANAHEIM LAKE OC-28A inflow

MINI-ANA LAKE OC-28A inflow

MILLER BASIN OC-28A inflow, GWR inflow

KRAEMER BASIN OC-28A inflow, 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) 4,000 Est'd SAR flow past Chapman Ave. 0

GWRS 5,495

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

OC-28a (MWD) 2,766 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 7.2

Est'd local Santiago inflow (estimated) 0 Est'd evaporative losses 420

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 12,262 TOTAL LOSSES

Facility Begin End Net

Deep basins 4,792 4,428 -364 TOTAL INFLOW 12,262

Santiago Pits 4,028 3,555 -473 TOTAL LOSSES 420

River 0 STORAGE CHANGE -837

Off-river 0 CALC'D PERCOLATION 12,679

Irvine Lake

TOTAL 8,820 7,983 -837

Page 7 of 10

STORAGE CHANGES (AF) SUMMARY (AF)

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

420

15,927

2,603

3,017

798

0

42

na

129

0

457

0

12,679

2,535

RECHARGE AREAS REPORTAugust 2015

Percolation (AF) Remarks

228

0

470

919

na

1,371

110

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

Start End Storage Perc Perc Perc Elev

Desilting Ponds 0 0 230 0 na na na

Fos-Huckleberry 533 530 630 na na na na

Conrock Basin 568 563 660 na na na na

Warner Basins 2,296 2,753 2,810 919 na na na

Olive Pit 0 0 183 na na na na

Anaheim Lake 605 15 2,300 1,371 79 44 184

Mini-Anaheim Lk 0 0 21 110 na na na

Miller Basin 85 70 340 1,320 76 43 206

Kraemer Basin 66 19 1,050 2,595 135 84 173

Mira Loma 7 24 62 3,017 116 97 216

La Jolla Basin 11 0 36 798 39 26 201

Placentia Basin 0 0 350 0 na na na

Raymond Basin 20 0 370 42 na na na

Five Coves Basins 62 27 350 na na na na

Burris Pit 539 427 2,670 129 5 4 147

River View Basin 0 0 12 0 na na na

Santiago (Bond) 2,930 2,495 8,690 457 19 15 213

Santiago (Blu Dia) 1,098 1,060 5,240 - - - 220

Totals 8,820 7,983 26,004 10,758

Prado Dam 1 20 25,000

Page 8 of 10

DEEP BASINS MONTHLY STATUS

August 2015

(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 2014-15 2015-16

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. 2014-15 2015-16

Page 10 of 10

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016-40

-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