WATER RESOURCES SUMMARY May 2015

Transcription

1 WATER RESOURCES SUMMARY May 215 INFLOWS & OUTFLOWS (acre-feet) Total for Month Year to Date - This Year Last Year BASIN SUPPLIES Water Purchases from MWD (excludes In Lieu) 3,689 45,138 46,811 Water into MWD Storage Account (excludes In Lieu) SAR & Santiago Creek Flows 8,227 11,895 84,547 (accounts for storage to/from recharge facilities) GWRS Water to Forebay 4,299 34,882 33,653 GWRS Water to Talbert Barrier 3,111 33,431 31,294 OC-44 Water to Talbert Barrier Alamitos Barrier Water 1 2,58 2,14 Incidental Recharge (estimated) 3,5 38,5 29,129 Evaporation from Recharge Basins (299) (2,536) (2,144) River Flow Lost to Ocean (8) (3,23) (5) Total Groundwater Recharge 22,548 25, ,936 WATER PRODUCTION Groundwater Production 25,392 28,38 3,171 MWD Storage Program Withdrawals 12,917 5,257 Total Groundwater Production 25, ,225 35,428 BASIN BALANCE Change in Groundwater Storage (2,843) (43,7) (8,492) Change in Groundwater Storage excluding MWD Stored Water (2,843) (3,153) (8,492) Accumulated Overdraft , ,491 Accumulated Overdraft excluding MWD Storage ,16 364,529 IN LIEU WATER OCWD In Lieu Purchases MWD In Lieu Storage Total In Lieu OTHER KEY INFORMATION 1. MWD Water Deliveries to Producers 5,326 75,126 88, Basin Production Percentage 82.7% 76.1% 77.6% 3. Total Water Demand 32,13 383,218 48, Total GWRS Production 7,41 68,313 64, Green Acres Project Water 294 3,615 4, 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 155 1,718 3, Total Artificial Recharge 19,48 211, , Monthly Mean Temperature at Santa Ana Fire Station ( F) Rainfall at FHQ (inches) /11/215

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

3 PRODUCERS WATER USAGE SUMMARY May 215 (AF except BPP) MAY 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 3,161 1,142 4,33 57,368 61, % 72.6% 77.4% Buena Park ,55 12,34 13, % 73.7% 79.% East Orange County % 99.1% 75.% Fountain Valley ,81 1,647 1.% 1.% 71.6% Fullerton 1, ,37 25,55 27, % 68.2% 7.3% Garden Grove 1, ,74 22,148 23, % 7.4% 79.8% Golden State 2, ,775 23,38 24, % 74.% 71.% West OC System 1, ,156 13,645 14, % 98.4% 97.8% East OC System 1, ,619 9,735 9, % 49.5% 34.3% Huntington Beach 1, ,183 25,544 28, % 59.7% 6.4% Irvine Ranch 3,782 1,7 34 4,885 57,785 61, % 98.9% 1.% DRWF Clear 2,131-2,131 24,914 24,838.% na na DRWF Color ,818 8,16.% na na La Palma ,781 2,4 1.% 1.% 71.6% Mesa Water (MW) 1, ,469 17,278 18, % 89.8% 9.1% MW Clear 1,12-1,12 9,84 1,226.% na na MW Color ,868 5,88.% na na Newport Beach 1, ,129 14,516 15, % 71.3% 62.8% Orange 1, ,147 26,573 29, % 71.5% 7.9% OCWD (GAP) % 1.% 1.% Santa Ana 2, ,889 34,57 36, % 71.1% 69.8% Seal Beach ,451 3,58 1.% 7.6% 63.4% Serrano ,666 3, % 71.% 66.5% Tustin ,246 11, % 74.1% 64.6% Westminster ,669 11, % 7.9% 64.5% Yorba Linda 1, ,392 18,243 14, % 61.4% 69.9% SUBTOTAL: 24,596 1,295 5,319 31,21 373, , % 76.1% 76.3% Other Producers 796 na na ,292 9,353 (Est 3% of Subtotal) TOTAL: 25,392 1,295 5,326 32,13 383,218 48, % 76.1% 76.3% OCWD (Talbert Barrier) na na 3, ,112 33,449 31,31 OCSD (GAP) na na na 69 na ,437 Estimated (1) Excludes MWD CUP Withdrawals (2) Includes MWD CUP Withdrawals 6/11/215 11:6 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 45 4 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 25 Recharge (TAF) Water Year SAR & Santiago Purchases CUP Direct GWRS Page 5 of 9

6 RECHARGE AREAS REPORT May 215 RIVER SYSTEM DESILTING SYSTEM OFF-RIVER SYSTEM WARNER SYSTEM OLIVE BASIN ANAHEIM LAKE MINI-ANA LAKE MILLER BASIN KRAEMER BASIN MIRA LOMA LA JOLLA BASIN PLACENTIA BASIN RAYMOND BASIN FIVE COVES BASIN BURRIS BASIN RIVER VIEW BASIN SANTIAGO BASINS SANTIAGO CREEK TOTALS 5-YR AVERAGE Percolation (AF) 4, na 2, , , na 246 1, ,836 15,235 Remarks 69 cfs daily avg. estimated 15 cfs daily avg. Includes Olive and 5Coves basins Includes Foster and Conrock basins see off river system OC-28A inflow OC-28A inflow OC-28A inflow, GWR inflow OC-28A inflow, GWR inflow GWR inflow see off river system FLOWS TO RECHARGE AREAS (AF) LOSSES FROM RECHARGE AREAS (AF) Imperial Headgates (estimated) 8,85 Est'd SAR flow past Chapman Ave. 8 GWRS 4,299 OC-28 (MWD) Est'd Santiago Cr. flow to SAR OC-28a (MWD) 3,689 Est'd flows past Raymond Basin CB-11 CB-18 Est'd local Forebay inflow below Imperial 11 Calc'd evap (inches) Estimated 5.12 Est'd local Santiago inflow (estimated) 12 Est'd evaporative losses 299 Irvine lake releases (OC-13 MWD) Villa Park Dam releases (estimated) Precip at Warner Basin (inches) 1.14 Precip direct to open water surfaces 67 TOTAL INFLOW 16,37 TOTAL LOSSES 379 STORAGE CHANGES (AF) SUMMARY (AF) Facility Begin End Net Deep basins 5,25 5, TOTAL INFLOW 16,37 Santiago Pits 6,689 6, TOTAL LOSSES 379 River STORAGE CHANGE 155 Off-river CALC'D PERCOLATION 15,836 Irvine Lake TOTAL 11,714 11, Page 6 of 9

7 DEEP BASINS MONTHLY STATUS May 215 (values in acre-feet) Facility Storage Storage Maximum Total Max Avg Avg W.S. Start End Storage Perc Perc Perc Elev Desilting Ponds 23 na na na Fos-Huckleberry na na na na Conrock Basin na na na na Warner Basins 2,652 2,684 2, na na 236 Olive Pit 183 na na na na Anaheim Lake ,3 2, Mini-Anaheim Lk Miller Basin , Kraemer Basin , 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 12 na na na Santiago (Bond) 4,646 4,618 8,69 1, Santiago (Blu Dia) 2,43 2,23 5, Totals 11,714 11,869 26,4 1,54 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