WATER RESOURCES SUMMARY April 2015 INFLOWS & OUTFLOWS Total for Year to Date - (acre-feet)

Transcription

1 BASIN SUPPLIES WATER RESOURCES SUMMARY April 215 INFLOWS & OUTFLOWS Total for Year to Date - (acre-feet) Month This Year Last Year Water Purchases from MWD (excludes In Lieu) 3,69 41,449 43,85 Water into MWD Storage Account (excludes In Lieu) SAR & Santiago Creek Flows 8,676 93,668 75,514 (accounts for storage to/from recharge facilities) GWRS Water to Forebay 3,864 3,583 31,232 GWRS Water to Talbert Barrier 3,74 3,32 28,261 OC-44 Water to Talbert Barrier 16 5 Alamitos Barrier Water 99 1,958 1,91 Incidental Recharge (estimated) 3,5 35, 26,481 Evaporation from Recharge Basins (292) (2,237) (1,934) River Flow Lost to Ocean (3,15) (5) Total Groundwater Recharge 22, ,67 24,818 WATER PRODUCTION Groundwater Production 24, ,799 27,18 MWD Storage Program Withdrawals 12,917 2,197 Total Groundwater Production 24, , ,377 BASIN BALANCE Change in Groundwater Storage (1,961) (4,18) (67,559) Change in Groundwater Storage excluding MWD Stored Water (1,961) (27,192) (67,559) Accumulated Overdraft ,214 39,558 Accumulated Overdraft excluding MWD Storage , ,699 IN LIEU WATER OCWD In Lieu Purchases MWD In Lieu Storage Total In Lieu OTHER KEY INFORMATION 1. MWD Water Deliveries to Producers 7,573 69,794 8, Basin Production Percentage 76.4% 75.5% 77.2% 3. Total Water Demand 33, , , Total GWRS Production 6,938 6,93 59, Green Acres Project Water 534 3,541 4,24 6. SAR Water Quality - Total Dissolved Solids (TDS) of SAR below Prado Dam (ppm) Total Nitrogen of SAR below Prado Dam (ppm) Month-End Water Storage Behind Prado Dam Month-End Water Storage in Recharge Facilities 11, , Water Storage Change in Recharge Facilities (2,311) 1,563 7,81 1. Total Artificial Recharge 19,3 192,65 178, Monthly Mean Temperature at Santa Ana Fire Station ( F) Rainfall at FHQ (inches) /14/215

2 Accumulated Overdraft (TAF) (1) (2) (3) (4) Basin Full 1969 Accumulated Overdraft (5) Calendar Year Overdraft Overdraft w/o MWD Storage Water 15 YTD Change in Groundwater Storage in OCWD Change in Storage (TAF) Water Year Page 2 of 9

3 PRODUCERS WATER USAGE SUMMARY April 215 (AF except BPP) APR WATER Ground- In MWD CUP Reclaimed Total Total YTD YTD 215 YTD YTD AGENCY water (1) Lieu Withdrawals Water Import (2) Demand Demand Demand BPP BPP BPP Anaheim 2,943 1,969 4,912 53,65 55, % 72.6% 79.5% Buena Park ,117 11,248 12, % 73.5% 8.1% East Orange County % 99.1% 71.9% Fountain Valley ,36 9,211 9,46 1.% 1.% 68.1% Fullerton 1, ,214 22,96 24, % 66.7% 7.% Garden Grove 1, ,162 2,48 21, % 68.% 79.8% Golden State 1, ,966 2,64 22, % 72.3% 71.9% West OC System 1, ,18 12,489 13, % 98.5% 98.% East OC System ,116 8, % 43.6% 35.% Huntington Beach 1, ,283 23,361 25, % 59.8% 61.6% Irvine Ranch 3,415 1,18 6 4,493 52,825 55, % 98.9% 1.% DRWF Clear 1,865-1,865 22,783 22,535.% na na DRWF Color ,133 7,291.% na na La Palma ,635 1,793 1.% 1.% 68.2% Mesa Water (MW) 1, ,553 15,812 16, % 9.2% 9.9% MW Clear ,792 9,173.% na na MW Color ,688 4,561.% na na Newport Beach ,377 13,389 13, % 69.% 62.5% Orange 1, ,366 24,427 26, % 71.5% 7.1% OCWD (GAP) % 1.% 1.% Santa Ana 2, ,8 31,169 32, % 7.5% 68.7% Seal Beach ,166 3,19 1.% 68.% 66.2% Serrano ,487 2, % 7.8% 66.8% Tustin ,446 1, % 73.8% 65.% Westminster ,749 1, % 7.9% 62.9% Yorba Linda 1, ,627 16,852 13, % 6.3% 7.% SUBTOTAL: 23,725 1,461 7,564 32, , , % 75.5% 76.6% Other Producers 768 na na ,486 8,441 (Est 3% of Subtotal) TOTAL: 24,492 1,461 7,573 33, , , % 75.5% 76.6% OCWD (Talbert Barrier) na na 3,74 3,75 3,336 28,266 OCSD (GAP) na na na 92 na ,348 Estimated (1) Excludes MWD CUP Withdrawals (2) Includes MWD CUP Withdrawals 5/14/215 1:5 Page 3 of 9

4 4 Annual Groundwater Production 35 3 Production (TAF) Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun YTD Total Demand in OCWD 4 35 Total Demand (TAF) Water Year Groundwater MWD+OCWD In Lieu CUP Withdrawals Import Recycled Water Page 4 of 9

5 25 Annual Forebay Recharge 2 Recharge (TAF) Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun YTD Artificial Recharge by OCWD 2 Recharge (TAF) Water Year SAR & Santiago Purchases CUP Direct GWRS Page 5 of 9

6 RECHARGE AREAS REPORT April 215 Percolation (AF) Remarks RIVER SYSTEM 3,971 estimated DESILTING SYSTEM OFF-RIVER SYSTEM 974 Includes Olive and 5 coves basins WARNER SYSTEM 748 Includes Foster and Conrock basins OLIVE BASIN na see off river system ANAHEIM LAKE 2,532 OC-28 inflow MINI-ANA LAKE 38 OC-28 inflow MILLER BASIN 346 OC-28 inflow KRAEMER BASIN 942 OC-28 inflow MIRA LOMA 3,52 GWR inflow LA JOLLA BASIN PLACENTIA BASIN RAYMOND BASIN FIVE COVES BASIN na BURRIS BASIN RIVER VIEW BASIN SANTIAGO BASINS SANTIAGO CREEK TOTALS 5-YR AVERAGE , ,856 15,235 FLOWS TO RECHARGE AREAS (AF) LOSSES FROM RECHARGE AREAS (AF) Imperial Headgates (estimated) 6,331 Est'd SAR flow past Chapman Ave. GWRS 3,863 OC-28 (MWD) Est'd Santiago Cr. flow to SAR OC-28a (MWD) 3,69 Est'd flows past Raymond Basin CB-11 CB-18 Est'd local Forebay inflow below Imperial 1 Calc'd evap (inches) Estimated 5 Est'd local Santiago inflow (estimated) Est'd evaporative losses 292 Irvine lake releases (OC-13 MWD) Villa Park Dam releases (estimated) Precip at Warner Basin (inches).41 Precip direct to open water surfaces 24 TOTAL INFLOW 13,837 TOTAL LOSSES 292 STORAGE CHANGES (AF) Facility Begin End Net Deep basins 5,59 5,25-33 TOTAL INFLOW 13,837 Santiago Pits 8,966 6,689-2,277 TOTAL LOSSES 292 River STORAGE CHANGE -2,31 Off-river CALC'D PERCOLATION 15,856 Irvine Lake TOTAL 14,25 11,714-2,31 SUMMARY (AF) Page 6 of 9

7 DEEP BASINS MONTHLY STATUS April 215 (values in acre-feet) Facility Storage Storage Maximum Total Max Avg Avg W.S. Start End Storage Perc Perc Perc Elev Desilting Ponds 2 23 na na na Fos-Huckleberry na na na na Conrock Basin na na na na Warner Basins 2,66 2,652 2, na na na Olive Pit 183 na na na na Anaheim Lake ,3 2, Mini-Anaheim Lk na na na Miller Basin Kraemer Basin 43 1, Mira Loma , La Jolla Basin Placentia Basin 35 na na na Raymond Basin na na na Five Coves Basins na na na na Burris Pit , River View Basin na na na Santiago (Bond) 5,972 4,646 8,69 2, Santiago (Blu Dia) 2,994 2,43 5, Totals 14,25 11,714 26,4 1,93 Prado Dam , Page 7 of 9

8 Cumulative Forebay Rainfall 15 Rainfall (Inches) 1 5 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 25-Yr Avg. Rain Temperature at Santa Ana Fire Station Temperature (F ) Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 15-yr. Avg Page 8 of 9

9 Water Level Elevation (Feet MSL) TALBERT BARRIER MONITORING WELL OCWD-M Talbert/Lambda Aquifer Mergence Zone Perforated Interval: 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