Total for Month This Year Last Year

BASIN SUPPLIES

Water Purchases from MWD (excludes In Lieu) 0 19,982 35,155

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

SAR & Santiago Creek Flows 14,647 74,892 73,219

(accounts for storage to/from recharge facilities)

GWRS Water to Forebay 5,758 43,915 23,244

GWRS Water to Mid-Basin Injection Wells 128 1,102 0

GWRS Water to Talbert Barrier 2,518 23,784 24,401

OC-44 Water to Talbert Barrier 0 5 12

Alamitos Barrier Water 250 1,732 1,752

Incidental Recharge (estimated) 3,500 28,000 33,287

Evaporation from Recharge Basins (176) (2,001) (1,729)

River Flow Lost to Ocean 0 (610) (3,110)

Total Groundwater Recharge 26,625 190,802 186,231

WATER PRODUCTION

Groundwater Production 21,174 180,354 205,253

MWD Storage Program Withdrawals 812 12,679 12,917

Total Groundwater Production 21,987 193,034 218,170

BASIN BALANCEChange in Groundwater Storage 4,638 (2,231) (31,938)Change in Groundwater Storage excluding MWD Stored Water 5,451 10,448 (31,938)Accumulated Overdraft ------ 384,332 373,932Accumulated Overdraft excluding MWD Storage ------ 388,409 390,809

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 2,946 36,868 55,6762. Basin Production Percentage 84.9% 78.4% 75.0%3. Total Water Demand 26,219 240,945 284,5974. Total GWRS Production 8,404 68,801 47,6455. Green Acres Project Water 265 2,692 2,6516. SAR Water Quality

- Total Dissolved Solids (TDS) of SAR below Prado Dam (ppm) 546 ------ 740- Total Nitrogen of SAR below Prado Dam (ppm) 5.0 ------ 4.5

7. Month-End Water Storage Behind Prado Dam 6 ------ 1,8418. Month-End Water Storage in Recharge Facilities 17,857 ------ 14,5879. Water Storage Change in Recharge Facilities (741) 8,124 4,43610. Total Artificial Recharge 22,998 161,701 152,95111. Monthly Mean Temperature at Santa Ana Fire Station (°F) 65.2 ------ 64.412. Rainfall at FHQ (inches) 0.91 6.84 7.14

3/10/2016

WATER RESOURCES SUMMARYFebruary 2016

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

2015-16 2014-15 YTD FEB 2015-16 2014-15

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

Anaheim 3,530 0 0 786 4,316 34,727 43,288 80% 81.8% 77.1% 73.4%

Buena Park 619 191 0 192 811 7,794 9,063 86% 76.3% 76.3% 71.8%

East Orange County 11 0 0 35 46 410 626 65% 23.5% 69.8% 98.8%

Fountain Valley 392 0 54 160 606 6,100 7,326 83% 71.0% 72.5% 100.0%

Fullerton 1,063 0 0 530 1,594 15,577 18,523 84% 66.7% 73.6% 68.0%

Garden Grove 1,221 0 0 338 1,558 14,153 16,269 87% 78.3% 72.9% 65.7%

Golden State 963 250 0 529 1,492 13,845 16,956 82% 64.5% 73.8% 69.7%

West OC System 936 0 0 2 938 8,579 10,137 85% 99.8% 99.8% 98.7%

East OC System 277 0 0 277 554 5,267 6,820 77% 50.0% 56.0% 40.1%

Huntington Beach 1,605 0 0 183 1,788 16,161 18,866 86% 89.8% 78.2% 57.2%

Irvine Ranch 3,147 0 1,119 36 4,301 41,483 43,534 95% 98.9% 99.4% 99.1%

DRWF Clear 1,665 0 0 - 1,665 18,904 19,235 98% 0.0% na na

DRWF Color 683 0 0 - 683 5,603 5,653 99% 0.0% na na

La Palma 119 0 0 0 119 1,132 1,320 86% 100.0% 75.0% 100.0%

Mesa Water (MW) 978 0 76 0 1,054 10,473 12,678 83% 100.0% 99.8% 88.3%

MW Clear 899 0 0 - 899 7,411 6,933 107% 0.0% na na

MW Color 79 0 0 - 79 2,341 3,618 65% 0.0% na na

Newport Beach 731 0 27 0 758 8,637 10,707 81% 100.0% 68.3% 70.9%

Orange 1,493 0 0 193 1,686 15,332 19,552 78% 88.6% 69.5% 70.7%

OCWD (GAP) 1 0 0 0 1 43 109 40% 100.0% 100.0% 100.0%

Santa Ana 2,399 0 12 1 2,411 22,000 25,198 87% 100.0% 68.2% 69.3%

Seal Beach 217 0 0 0 217 2,134 2,392 89% 100.0% 58.7% 66.4%

Serrano 75 0 0 46 121 1,318 2,013 65% 62.2% 43.4% 68.9%

Tustin 584 0 0 60 643 6,112 7,642 80% 90.7% 84.7% 74.6%

Westminster 434 228 0 502 937 6,971 7,859 89% 46.4% 70.5% 72.9%

Yorba Linda 886 143 0 164 1,050 10,294 13,883 74% 84.4% 64.5% 56.5%

SUBTOTAL: 20,468 812 1,287 3,754 25,509 234,696 277,804 84% 84.9% 78.4% 75.0%

Other Producers 706 na 0 4 710 6,249 6,792 92%

(Est ~3% of Subtotal)

TOTAL: 21,174 812 1,287 3,758 26,219 240,945 284,597 84.9% 78.4% 75.0%

OCWD (Talbert Barrier) 0 na 2,518 0 2,518 23,789 24,414

OCSD (GAP) na na 97 na 97 664 521

Estimated(1) Excludes MWD CUP Withdrawals

(2) Includes MWD CUP Withdrawals

Page 4 of 10

PRODUCERS WATER USAGE SUMMARYFebruary 2016

(AF except BPP)

DemandMWD CUP Reclaimed Total Total

3/10/2016 15:32

Withdrawals Water Import (2)

RIVER SYSTEM 46 cfs avg perc

DESILTING SYSTEM

OFF-RIVER SYSTEM Includes Olive and 5 Coves

WARNER SYSTEM Includes Foster and Conrock basins

OLIVE BASIN see off river system

ANAHEIM LAKE 0

MINI-ANA LAKE 0

MILLER BASIN 0

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) 13,793 Est'd SAR flow past Chapman Ave. 0

GWRS 5,760

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

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

CB-11 0

CB-18 0

Est'd local Forebay inflow below Imperial 40 Calc'd evap (inches) Estimated 3.01

Est'd local Santiago inflow (estimated) 20 Est'd evaporative losses 176

Irvine lake releases (OC-13 MWD) 0

Villa Park Dam releases (estimated) 0

Precip at Warner Basin (inches) 0.91

Precip direct to open water surfaces 53

TOTAL INFLOW 19,667 TOTAL LOSSES

Facility Begin End Net

Deep basins 8,410 7,607 -803 TOTAL INFLOW 19,667

Santiago Pits 10,188 10,250 62 TOTAL LOSSES 176

River 0 STORAGE CHANGE -741

Off-river 0 CALC'D PERCOLATION 20,232

Irvine Lake

TOTAL 18,598 17,857 -741

Page 7 of 10

STORAGE CHANGES (AF) SUMMARY (AF)

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

176

17,886

2,573

2,793

42

0

45

na

904

177

5,430

224

20,232

267

RECHARGE AREAS REPORTFebruary 2016

Percolation (AF) Remarks

2,674

444

815

1,016

na

2,806

22

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

Start End Storage Perc Perc Perc Elev

Desilting Ponds 230 230 230 444 na na na

Fos-Huckleberry 549 525 630 na na na na

Conrock Basin 579 552 660 na na na na

Warner Basins 2,648 2,745 2,810 1,016 na na 236

Olive Pit 0 0 183 na na na na

Anaheim Lake 2,063 837 2,300 2,806 164 97 214

Mini-Anaheim Lk 1 1 21 22 na na na

Miller Basin 107 114 340 267 59 9 203

Kraemer Basin 343 483 1,050 2,573 115 89 191

Mira Loma 33 0 62 2,793 117 96 218

La Jolla Basin 0 8 36 42 13 1 200

Placentia Basin 0 0 350 0 na na na

Raymond Basin 0 0 370 45 na na na

Five Coves Basins 207 170 350 na na na na

Burris Pit 1,650 1,940 2,670 904 44 31 166

River View Basin 0 3 12 177 8 6 187

Santiago (Bond) 6,664 6,698 8,690 5,430 223 187 269

Santiago (Blu Dia) 3,524 3,552 5,240 - - - 269

Totals 18,598 17,857 26,004 16,519

Prado Dam 3,226 6 25,000

Page 8 of 10

DEEP BASINS MONTHLY STATUS

February 2016

(values in acre-feet)

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