November 7, 2018 MWDOC Joint Board Workshop Bill Hasencamp - PDF document

11/6/2018 Item No. 3 November 7, 2018 MWDOC Joint Board Workshop Bill Hasencamp Metropolitan Water District 1

11/6/2018 Imperial Valley Farmer, ca. 1900 Imperial Valley, 1906 2

11/6/2018 Imperial Valley, 1906 Imperial Valley, 1906 3

11/6/2018 Imperial Valley, 1906 The New Salton Sea, 1906 4

11/6/2018 Black Canyon, Colorado River Upper Basin 7.5 mafy Lower Basin 7.5 mafy + 1.0 mafy Mexico 1.5 mafy Total 17.5 mafy 5

11/6/2018 Hoover Dam Construction, 1928 Hoover Dam Completed 6

11/6/2018 Lake Mead Spilling, 1983 Upper Basin States Lower Basin States 1.04 .49 3.86 1.71 1.8 .3 .2 .80 .05 .02 5.1 2.8 4.4 2.4 .84 Apportionments .39 Deliveries in 1990s 2.5 1.5 Mexico 7

11/6/2018 1 . Palo Verde 2. Yuma Project 3.85 MAF 3. (a) Imperial & Coachella (b) Palo Verde 4. Metropolitan 550 TAF Total Basic Apportionment 4.4 MAF 5. Metropolitan 662 TAF 6. Imperial, Coachella, Palo Verde 300 TAF 8

11/6/2018 maf PVID 0.42 (Average) Yuma Project IID 3.10 CVWD 0.33 MWD * 0.55 Total 4.40 * Amount fluctuates based on PVID/Yuma Project use, unused IID and CVWD water Agricultural Conservation Measures with IID 9

11/6/2018 Line the All‐American, Coachella Canals 1.2 Metropolitan Basic Apportionment IID‐MWD Transfer 1.0 IID‐SDCWA Transfer All American & Coachella Canal Lining 0.8 Million Acre‐Feet 0.6 0.4 0.2 0.0 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 10

11/6/2018 Incentivize PVID Farmers to Not Grow Crops 11

11/6/2018 1.18 MAF Net Diversion ICS Delivery 1.2 SNWA Exchange 1.0 IID Exchange/Unused LCWSP 0.8 Million Acre‐Feet (MAF) PVID Fallowing Program 0.6 Canal Lining to MWD Canal Lining to SDCWA 0.4 IID‐SDCWA Transfer 0.2 IID‐MWD Conservation Adjusted Basic 0.0 Apportionment 12

11/6/2018 600 500 Thousand Acre‐feet 400 300 Nevada Shortage Arizona Shortage 200 100 0 1,090 1,075 1,050 1,045 1,040 1,035 1,030 <1,025 Lake Mead Elevation (feet) Basin States Developing Drought Contingency Plans 13

11/6/2018 Lake Mead Storage 2000 – 2019, Actual and Projected 23,000 22,000 21,000 20,000 19,000 18,000 x 1000 acre-feet Surplus 17,000 16,000 15,000 14,000 13,000 12,000 11,000 10,000 Shortage 9,000 8,000 14

11/6/2018 Probability of Mead falling below 1,020’ 50% 45% 40% If Mead falls below 1,020’, 35% AZ, NV, and CA could all face severe and Occurrence 30% sustained water curtailments 25% 20% 15% 10% 5% 0% Year 2007 USBR Interim Guidelines 2018 USBR Projection without Additional Actions 2018 USBR Projection with Drought Contingency Plan Lower Basin Sharing Agreement California Agreements Contractor California ICS New ICS Exhibits Agreements Agreement • MWD Exhibits • Amendment No. 2 to the • Metropolitan – IID • IID Exhibits California ICS Agreement • Metropolitan – CVWD • CVWD Exhibits • Metropolitan – PVID 15

11/6/2018 1,200 1,000 Thousand Acre‐feet 800 California Contribution 600 Nevada Contribution Arizona Contribution 400 Nevada Shortage 200 Arizona Shortage 0 Lake Mead Elevation (feet) Lake Mead Elev (Available Storage) Surplus 1,145’ (16.2 MAF) 1,090’ (10.9 MAF) Current AZ and NV DCP Contributions Begin Elevation 1,078.5’ 1,075’ (9.6 MAF) Shortage 1,045’ (7.3 MAF) CA DCP Contributions Begin 1,020’ (5.7 MAF) 895’ (0 MAF) Dead Pool 16

11/6/2018 Lake Mead Storage 2000 – 2019, Actual and Projected 23,000 22,000 21,000 20,000 19,000 18,000 17,000 x 1000 acre-feet 16,000 15,000 14,000 13,000 12,000 11,000 Shortage 10,000 9,000 California’s DCP Trigger 8,000 7,000 6,000 3.5 3.0 2.5 Million Acre‐Feet 2.0 DCP 1.5 Shortage 1.0 0.5 0.0 Arizona California Nevada Mexico 17

11/6/2018 2 1.8 1.6 Average contribution when Million Acre‐Feet 1.4 required is about 1 maf 1.2 1 0.8 0.6 0.4 0.2 0 0% 20% 40% 60% 80% 100% Probability of Exceedance Cumulative California Contribution Average How California’s DCP Contribution is shared: IID: 60%, up to the first 250,000 AF MWD: 25% and IID’s share above 250,000 AF CVWD: 7% PVID: 8%* * PVID’s contributions to be made through existing fallowing program 18

11/6/2018 Palo Verde Metropolitan Irrigation 25% District 8% Coachella Imperial Valley Water Irrigation District District 7% 60% 1 . Palo Verde 2. Yuma Project 3.85 MAF 3. (a) Imperial & Coachella (b) Palo Verde 4. Metropolitan 550 TAF Total Basic Apportionment 4.4 MAF 5. Metropolitan 662 TAF 6. Imperial, Coachella, Palo Verde 300 TAF 19

11/6/2018 Under California DCP Implementing Agreements IID 250,000 AF CVWD 70,000 AF PVID 80,000 AF MWD ICS 350,000 AF Potential Options Interstate Banking 300,000 AF Total: 1,050,000 AF Stabilizes Colorado River Supplies AZ, NV, & CA contribute to storage, significantly reducing risk of reaching critical storage levels Provides flexibility to meet dry year needs Provides for recovery of water at lower storage levels to meet local drought needs Protects power resources Prevents Lake Mead from reaching low levels that preclude the ability to generate power 20

11/6/2018 Finalize agreements within California and Lower Basin Potential action item for approval by the end of the year Congressional authorization for implementation of DCP 21