2. Yuma Area Irrigation Districts

3. Hoover Dam ~ Lake Mead Davis Dam ~ Lake Mohave Parker Dam ~ Lake Havasu Palo Verde Diversion Dam Imperial Dam Senator Wash Reservoir

4. Imperial Dam 2015: 5,361,320 AF (Provisional) Arrived at Dam 14,820 AF Excess to Mexico 99.999% Efficiency.0027% water at Imperial was excess

5. BCOO YAO MS PD ID CRIT PVID IID CVWD BWD YCWUA GGMC: -NGVIDD -YID -YMIDD -WMIDD -Unit B IBWC 2 3

6. IID CVWD BWD YCWUA GGMC: -NGVIDD -YID -YMIDD -WMIDD -Unit B YAO Imp Dam Meets water deliveries to all irrigation districts. Adjusts flows to Mexico. Stores excess flows to Brock and Senator Wash reservoirs. Supplements deliveries from Brock and Senator Wash reservoirs. Maintains Imperial Lake elevation. Maintains Laguna Dam elevations for dredging. Coordinates with YAO for deliveries and reservoir management. Coordinates adjustments of water delivery changes with districts throughout the day.

7. 1 IMP Water users place orders a minimum of 2 days in advance to YCWUA dispatcher. Water orders are confirmed with user at noon on day prior to scheduled delivery by ditchrider. YCWUA dispatcher coordinates with ditchrider for initial placement and confirmation verbally and via custom computer and software systems. 2 Water orders are confirmed to Imperial Dam by Association dispatcher on the day prior to scheduled delivery.

8. 2 IMP Water user is notified of delivery time to farm headgate by ditchrider. Water user notifies ditchrider a minimum of 2 hours in advance of completing delivery. Dispatcher notifies ditchrider when water will be available at the lateral canal. 6 Water orders for the day are diverted from the All American Canal into the Yuma Main Canal by 6:00 a.m. 2 Water order changes can be made with Imperial Dam with a two-hour advance notice.

9. ycwua.org