WATER RESOURCES SUMMARY October 2017 INFLOWS & OUTFLOWS Total for Year to Date - (acre-feet)

Transcription

1 WATER RESOURCES SUMMARY October 217 INFLOWS & OUTFLOWS Total for Year to Date (acrefeet) Month This Year Last Year BASIN SUPPLIES Water Purchases from MWD (excludes In Lieu) 7,648 34,593 28,53 Water into MWD Storage Account (excludes In Lieu) SAR & Santiago Creek Flows 5,714 22,5 17,76 (accounts for storage to/from recharge facilities) GWRS Water to Forebay 7,166 26,179 19,421 GWRS Water to MidBasin Injection Wells GWRS Water to Talbert Barrier 1,278 8,444 11,921 OC44 Water to Talbert Barrier Alamitos Barrier Water Incidental Recharge (estimated) 4,3 17,2 12, Evaporation from Recharge Basins (271) (1,455) (1,383) River Flow Lost to Ocean Total Groundwater Recharge 26,92 17,93 89,31 WATER PRODUCTION Groundwater Production 11,82 7,73 116,756 MWD Storage Program Withdrawals Total Groundwater Production 11,82 7,73 116,756 BASIN BALANCE Change in Groundwater Storage 14,29 37,2 (27,455) Change in Groundwater Storage excluding MWD Stored Water 14,29 37,2 (27,455) Accumulated Overdraft 29,8 46,492 Accumulated Overdraft excluding MWD Storage 292,522 46,668 IN LIEU WATER OCWD In Lieu Purchases 15,162 42,242 MWD In Lieu Storage Total In Lieu 15,162 42,242 OTHER KEY INFORMATION 1. MWD Water Deliveries to Producers 21,573 69,183 28, Basin Production Percentage 8.8% 62.% 8.6% 3. Total Water Demand 34,94 146, ,16 4. Total GWRS Production 8,578 35,183 31, Green Acres Project Water 371 1,811 1, SAR Water Quality Total Dissolved Solids (TDS) of SAR below Prado Dam (ppm) Total Nitrogen of SAR below Prado Dam (ppm) MonthEnd Water Storage Behind Prado Dam MonthEnd Water Storage in Recharge Facilities 1,35 9, Water Storage Change in Recharge Facilities (97) (4,247) (1,364) 1. Total Artificial Recharge 21,792 9,73 77, Monthly Mean Temperature at Santa Ana Fire Station ( F) Rainfall at FHQ (inches) /9/217

2 3 Orange County Sanitation District Influent Flows Report 25 Flow (MGD) Plant 1 Influent Plant 2 Influent Total Flow Water Demands/Groundwater Pumping/RA Revenue Report Acrefeet (Thousands) Total Water Demand Budgeted Total Pumping Budgeted Total Water Demand Actual Total Pumping Actual Monthly Accumulated Total for the Year Budget Actual Budget Actual Difference Percent Total Water Demand Total Pumping 36,6 34,94 159,1 146,474 12, % 26,4 11,82 117,7 7,73 46,97 6.9% RA Revenue $11,748, $5,251,944 $52,376,5 $31,474,958 $2,91, % Page 2 of 1

3 Accumulated Overdraft Accumulated Overdraft (TAF) (1) (2) (3) (4) Basin Full 1969 (5) Calendar Year Overdraft w/o MWD Storage Water Overdraft 6 YTD Change in Groundwater Storage in OCWD 4 Change in Storage (TAF) Water Year Page 3 of 1

4 PRODUCERS WATER USAGE SUMMARY October 217 (AF except BPP) YTD OCT WATER Ground In Reclaimed Total Total YTD YTD % Diff 217 YTD YTD AGENCY water (1) Lieu Water Import (2) Demand Demand Demand Demand BPP BPP BPP Anaheim 742 3,56 4,844 5,586 23,27 21,774 17% 77.% 77.5% 8.5% Buena Park ,193 5,189 4,767 19% 77.2% 74.3% 85.3% East Orange County % 88.8% 89.2% 84.3% Fountain Valley ,14 3,74 17% 74.6% 77.8% 93.7% Fullerton ,49 2,393 9,933 9,683 13% 68.% 76.% 79.9% Garden Grove 1, ,83 2,111 8,524 8,465 11% 58.7% 67.5% 72.9% Golden State 24 1,379 2,4 2,29 9,93 9,135 1% 71.7% 7.1% 76.3% West OC System 14 1,29 1,313 5,354 5,19 13% 7.9% 3.% 94.9% East OC System ,738 3,834 98% 11.2% 21.9% 53.3% Huntington Beach 24 1,917 2,262 2,466 1,49 1,37 14% 86.% 75.8% 6.6% Irvine Ranch 2,626 1,834 1, , 16,371 24,219 68% 159.7% 151.% 97.7% DRWF Clear ,491 11,3 31% na na na DRWF Color ,947 2,929 11% na na na Laguna Beach ,379 1,371 na 79.3% 2.% 1.% La Palma % 99.8% 99.9% 55.2% Mesa Water (MW) 33 1, ,179 1,573 6,886 6,893 1% 1.% 1.% 98.7% MW Clear ,64 3,418 48% na na na MW Color ,752 2,853 61% na na na Newport Beach ,145 1,245 5,886 5,646 14% 8.3% 8.3% 95.5% Orange ,568 2,551 1,756 1,112 16% 66.7% 66.6% 79.5% OCWD (GAP) % 1.% 1.% 1.% Santa Ana 1, ,895 3,178 12,96 12,561 13% 57.9% 6.9% 75.3% Seal Beach ,327 1,322 1% 68.1% 35.5% 36.8% Serrano ,141 1,12 14% 71.1% 81.9% 76.3% Tustin ,18 4,228 3,942 17% 94.7% 91.9% 83.1% Westminster ,84 3,95 15% 6.3% 73.4% 72.7% Yorba Linda ,133 1,937 8,85 7,554 17% 69.9% 7.% 68.6% SUBTOTAL: 11,483 15,162 1,53 21,545 34, , ,461 98% 8.8% 8.7% 8.6% Other Producers , 3,555 56% (Est ~3% of Subtotal) TOTAL: 11,82 15,162 1,53 21,573 34,94 146, ,16 8.8% 8.7% 8.6% OCWD (Talbert Barrier) 1, ,29 8,457 11,926 OCSD (GAP) na 5 na Estimated (1) Excludes MWD CUP Withdrawals (2) Includes MWD CUP Withdrawals & MWD In Lieu Water 11/9/217 1:39 Page 4 of 1

5 35 Annual Groundwater Production 3 Production (TAF) Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun YTD Total Demand in OCWD 2 Total Demand (TAF) Water Year Groundwater MWD+OCWD In Lieu CUP Withdrawals Import Recycled Water Page 5 of 1

6 3 Annual Forebay Recharge 25 Recharge (TAF) Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun YTD Artificial Recharge by OCWD 1 Recharge (TAF) Water Year SAR & Santiago Purchases CUP Direct GWRS Page 6 of 1

7 RECHARGE AREAS REPORT October 217 Percolation (AF) Remarks RIVER SYSTEM 2,212 1,91 af MWD CRA Water in Lower SAR DESILTING SYSTEM OFFRIVER SYSTEM 2,646 SAR WARNER SYSTEM 1,4 SAR OLIVE BASIN Passive System ANAHEIM LAKE 1,857 MWD CRA Water MINIANA LAKE 254 MWD CRA Water MILLER BASIN 1,79 MWD CRA Water KRAEMER BASIN 988 MWD CRA Water LA PALMA BASIN MIRA LOMA 5,693 1,463 GWRS, MWD CRA Water LA JOLLA BASIN PLACENTIA BASIN RAYMOND BASIN FIVE COVES BASIN BURRIS BASIN RIVER VIEW BASIN FLETCHER BASIN SANTIAGO BASINS SANTIAGO CREEK TOTALS 5YR AVERAGE ,26 16,657 FLOWS TO RECHARGE AREAS (AF) LOSSES FROM RECHARGE AREAS (AF) Imperial Headgates (estimated) 4,594 Est'd SAR flow past Chapman Ave. GWRS 7,169 OC28 (MWD) 7,46 Est'd Santiago Cr. flow to SAR OC28a (MWD) 188 Est'd flows past Raymond Basin CB11 CB18 Est'd local Forebay inflow below Imperial 15 Calc'd evap (inches) Estimated 4.65 Est'd local Santiago inflow (estimated) Est'd evaporative losses 271 Irvine lake releases (OC13 MWD) Villa Park Dam releases (estimated) Precip at Warner Basin (inches) Precip direct to open water surfaces TOTAL INFLOW 19,561 TOTAL LOSSES 271 STORAGE CHANGES (AF) Facility Begin End Net Deep basins 7,334 6, TOTAL INFLOW 19,561 Santiago Pits 3,986 3, TOTAL LOSSES 271 River STORAGE CHANGE 97 Offriver CALC'D PERCOLATION 2,26 Irvine Lake TOTAL 11,32 1,35 97 SUMMARY (AF) Page 7 of 1

8 DEEP BASINS MONTHLY STATUS October 217 (values in acrefeet) Facility Storage Storage Maximum Total Max Avg Avg W.S. Start End Storage Perc Perc Perc Elev Desilting Ponds na na na FosHuckleberry na na na na Conrock Basin na na na na Warner Basins 2,775 2,767 2,81 1, Olive Pit Anaheim Lake 1,81 1,217 2,3 1, MiniAnaheim Lk Miller Basin , Kraemer Basin , La Palma Basin , Mira Loma , La Jolla Basin Placentia Basin 35 na na na na Raymond Basin na na na Five Coves Basins na na na na Burris Pit , River View Basin 12 na na na na Fletcher Basin 6 na na na na Santiago (Bond) 2,895 2,491 8, Santiago (Blu Dia) 1,91 1,54 5,24 22 Totals 11,32 1,35 26,115 15,642 Prado Dam , Page 8 of 1

9 Cumulative Forebay Rainfall 25 2 Rainfall (Inches) Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 25Yr Avg. Rain Temperature at Santa Ana Fire Station Temperature (F ) Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 15yr. Avg Page 9 of 1

10 Water Level Elevation (Feet MSL) TALBERT BARRIER MONITORING WELL OCWDM 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 (Aft) Talbert Barrier Injection (Aft) Page 1 of 1