WATER RESOURCES SUMMARY December 214 INFLOWS & OUTFLOWS (acre-feet) Total for Month Year to Date - This Year Last Year BASIN SUPPLIES Water Purchases from MWD (excludes In Lieu) 135 31,672 19,388 Water into MWD Storage Account (excludes In Lieu) SAR & Santiago Creek Flows 19,678 45,27 35,335 (accounts for storage to/from recharge facilities) GWRS Water to Forebay 3,65 16,93 18,62 GWRS Water to Talbert Barrier 3,114 18,828 17,774 OC-44 Water to Talbert Barrier 5 4 Alamitos Barrier Water 241 1,452 1,75 Incidental Recharge (estimated) 3,5 21, 15,888 Evaporation from Recharge Basins (175) (1,263) (1,322) River Flow Lost to Ocean (3,) (3,) Total Groundwater Recharge 27,143 13,84 16,24 WATER PRODUCTION Groundwater Production 2,779 161,934 17,43 MWD Storage Program Withdrawals 12,777 Total Groundwater Production 2,779 174,711 17,43 BASIN BALANCE Change in Groundwater Storage 6,363 (43,97) (63,84) Change in Groundwater Storage excluding MWD Stored Water 6,363 (31,13) (63,84) Accumulated Overdraft ------ 385,98 35,839 Accumulated Overdraft excluding MWD Storage ------ 42,558 353,385 IN LIEU WATER OCWD In Lieu Purchases MWD In Lieu Storage Total In Lieu OTHER KEY INFORMATION 1. MWD Water Deliveries to Producers 4,869 44,823 59,35 2. Basin Production Percentage 81.% 73.8% 74.1% 3. Total Water Demand 26,819 228,16 237,46 4. Total GWRS Production 6,764 35,731 35,836 5. Green Acres Project Water 113 2,212 2,928 6. SAR Water Quality - Total Dissolved Solids (TDS) of SAR below Prado Dam (ppm) 354 ------ 66 - Total Nitrogen of SAR below Prado Dam (ppm) 4. ------ 3.4 7. Month-End Water Storage Behind Prado Dam 5,245 ------ 3 8. Month-End Water Storage in Recharge Facilities 15,365 ------ 8,663 9. Water Storage Change in Recharge Facilities 7,22 5,214 341 1. Total Artificial Recharge 23,643 19,83 9,317 11. Monthly Mean Temperature at Santa Ana Fire Station ( F) 6.9 ------ 59.3 12. Rainfall at FHQ (inches) 4.92 5.42 1.23 1/15/215
Accumulated Overdraft (TAF) (1) (2) (3) (4) Basin Full 1969 Accumulated Overdraft (5) 1969 1974 1979 1984 1989 1994 1999 24 29 214 219 Calendar Year Overdraft Overdraft w/o MWD Storage Water 6 YTD Change in Groundwater Storage in OCWD 4 Change in Storage (TAF) 2-2 -4-6 -8-1 -12 95-96 96-97 97-98 98-99 99- -1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-1 1-11 11-12 12-13 13-14 14-15 Water Year Page 2 of 9
PRODUCERS WATER USAGE SUMMARY December 214 (AF except BPP) 214-15 213-14 DEC 214-15 213-14 WATER Ground- In MWD CUP Reclaimed Total Total YTD YTD 214 YTD YTD AGENCY water (1) Lieu Withdrawals Water Import (2) Demand Demand Demand BPP BPP BPP Anaheim 3,18 866 3,973 34,356 35,941 78.2% 73.6% 8.3% Buena Park 639 194 833 7,345 8,49 76.7% 72.5% 8.4% East Orange County 41 41 514 57 1.% 98.6% 89.7% Fountain Valley 591 29 62 5,936 6,226 1.% 1.% 66.2% Fullerton 989 61 1,59 14,969 15,863 62.2% 69.1% 7.4% Garden Grove 1,329 384 1,713 13,51 13,856 77.6% 63.% 72.8% Golden State 1,169 267 1,435 13,718 14,566 81.4% 67.1% 72.2% West OC System 919 1 921 8,141 8,693 99.9% 98.5% 97.1% East OC System 249 265 515 5,577 5,873 48.4% 38.1% 35.3% Huntington Beach 97 834 1,741 15,122 16,338 52.1% 58.6% 6.7% Irvine Ranch 4,263 1,98 13 5,374 34,862 36,18 99.7% 99.1% 99.1% DRWF Clear 2,285-2,285 15,831 16,72.% na na DRWF Color 849-849 4,31 4,284.% na na La Palma 126 126 1,56 1,183 1.% 1.% 51.8% Mesa Water (MW) 1,2 33 47 1,11 1,161 1,92 95.6% 85.6% 87.2% MW Clear 942-942 5,51 4,994.% na na MW Color 78-78 3,125 3,25.% na na Newport Beach 16 3 754 917 8,772 9,4 17.5% 7.2% 52.8% Orange 1,192 519 1,711 15,951 17,22 69.7% 71.6% 66.6% OCWD (GAP) 7 7 12 243 1.% 1.% 1.% Santa Ana 2,479 6 2,486 19,959 2,826 1.% 62.8% 6.3% Seal Beach 24 24 2,151 2,37 1.% 52.9% 48.4% Serrano 76 4 116 1,666 1,82 65.3% 63.4% 58.6% Tustin 587 36 623 6,18 6,564 94.2% 69.9% 58.% Westminster 614 164 778 6,213 6,571 78.9% 74.3% 64.6% Yorba Linda 723 144 867 11,179 8,495 83.4% 54.4% 67.3% SUBTOTAL: 2,221 1,171 4,863 26,255 223,263 231,427 81.% 73.8% 74.1% Other Producers 558 na na 6 564 4,753 5,619 (Est 3% of Subtotal) TOTAL: 2,779 1,171 4,869 26,819 228,16 237,46 81.% 73.8% 74.1% OCWD (Talbert Barrier) na na 3,114 3,114 18,833 17,777 OCSD (GAP) na na na 63 na 63 366 1,11 Estimated (1) Excludes MWD CUP Withdrawals (2) Includes MWD CUP Withdrawals 1/15/215 9:44 Page 3 of 9
4 Annual Groundwater Production 35 3 Production (TAF) 25 2 15 1 5 3 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 212-13 213-14 214-15 YTD Total Demand in OCWD 25 Total Demand (TAF) 2 15 1 5 95-96 96-97 97-98 98-99 99- -1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-1 1-11 11-12 12-13 13-14 14-15 Water Year Groundwater MWD+OCWD In Lieu CUP Withdrawals Import Recycled Water Page 4 of 9
25 Annual Forebay Recharge 2 Recharge (TAF) 15 1 5 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 212-13 213-14 214-15 14 YTD Artificial Recharge by OCWD 12 1 Recharge (TAF) 8 6 4 2 95-96 96-97 97-98 98-99 99- -1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-1 1-11 11-12 12-13 13-14 14-15 Water Year SAR & Santiago Purchases CUP Direct GWRS Page 5 of 9
BURRIS BASIN RIVER VIEW BASIN SANTIAGO BASINS SANTIAGO CREEK TOTALS 5-YR AVERAGE RECHARGE AREAS REPORT December 214 Percolation (AF) 15,235 Remarks RIVER SYSTEM 4,841 estimated DESILTING SYSTEM OFF-RIVER SYSTEM 3 1,813 Includes Olive and 5 coves basins WARNER SYSTEM 1,186 Includes Foster and Conrock basins OLIVE BASIN na ANAHEIM LAKE 2,651 OC-28 on the 1st SAR for rest of month MINI-ANA LAKE MILLER BASIN 1,544 OC-28 on the 1st SAR for rest of month and GWR KRAEMER BASIN 2,557 OC-28 on the 1st SAR for rest of month MIRA LOMA 3,37 GWR inflow LA JOLLA BASIN PLACENTIA BASIN RAYMOND BASIN FIVE COVES BASIN 34 222 na 488 97 1,185 2,288 FLOWS TO RECHARGE AREAS (AF) LOSSES FROM RECHARGE AREAS (AF) Imperial Headgates (estimated) 25,814 Est'd SAR flow past Chapman Ave. 3, GWRS 3,65 OC-28 (MWD) 135 Est'd Santiago Cr. flow to SAR OC-28a (MWD) Est'd flows past Raymond Basin CB-11 CB-18 Est'd local Forebay inflow below Imperial 4 Calc'd evap (inches) Estimated 3 Est'd local Santiago inflow (estimated) 397 Est'd evaporative losses 175 Irvine lake releases (OC-13 MWD) Villa Park Dam releases (estimated) Precip at Warner Basin (inches) 4.92 Precip direct to open water surfaces 287 TOTAL INFLOW 3,683 TOTAL LOSSES 3,175 STORAGE CHANGES (AF) Facility Begin End Net Deep basins 5,579 7,836 2,257 TOTAL INFLOW 3,683 Santiago Pits 2,566 7,529 4,963 TOTAL LOSSES 3,175 River STORAGE CHANGE 7,22 Off-river CALC'D PERCOLATION 2,288 Irvine Lake TOTAL 8,145 15,365 7,22 SUMMARY (AF) Page 6 of 9
DEEP BASINS MONTHLY STATUS December 214 (values in acre-feet) Facility Storage Storage Maximum Total Max Avg Avg W.S. Start End Storage Perc Perc Perc Elev Desilting Ponds 23 23 23 3 na na na Fos-Huckleberry 534 573 63 na na na na Conrock Basin 617 595 66 na na na na Warner Basins 2,555 2,67 2,81 1,186 na na na Olive Pit 183 na na na na Anaheim Lake 615 1,796 2,3 2,651 11 86 26 Mini-Anaheim Lk 2 21 na na na Miller Basin 11 98 34 1,544 65 5 28 Kraemer Basin 22 747 1,5 2,557 14 82 194 Mira Loma 18 27 62 3,37 123 19 217 La Jolla Basin 6 6 36 34 2 1 21 Placentia Basin 35 na na na Raymond Basin 37 222 na na na Five Coves Basins 1 195 35 na na na na Burris Pit 6 897 2,67 488 24 16 159 River View Basin 2 12 97 na na na Santiago (Bond) 1,593 5,141 8,69 1,185 na na na Santiago (Blu Dia) 973 2,388 5,24 Totals 8,145 15,365 26,4 13,634 Prado Dam 3 5,245 25, Page 7 of 9
Cumulative Forebay Rainfall 15 Rainfall (Inches) 1 5 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 25-Yr Avg. Rain 213-14 214-15 8 Temperature at Santa Ana Fire Station Temperature (F ) 75 7 65 6 55 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 15-yr. Avg. 213-14 214-15 Page 8 of 9
Water Level Elevation (Feet MSL) 4 3 2 1-1 -2-3 TALBERT BARRIER MONITORING WELL OCWD-M26-4 25 26 27 28 29 21 211 212 213 214 215 216 Talbert/Lambda Aquifer Mergence Zone Perforated Interval: 71-135 ft. bgs Talbert Barrier Injection Protective Level to Prevent Seawater Intrusion Fountain Valley Groundwater Production IRWD Groundwater Production Mesa Water Groundwater Production Huntington Beach Groundwater Production Newport Beach Groundwater Production 3, 6, 9, 3, 2, 1, Groundwater Production (A-ft) Talbert Barrier Injection (A-ft) Page 9 of 9