1. 2010 Water Supply Summary Liz Cresto

2. 2010 Water Suppy Impacts to Water Management –Power Generation –Payette River Flooding –Boise River Irrigation –Snake River Delivery Calls and Recharge –Bear River Irrigation

5. Source: Bonneville Power Administration “Balancing an Over-Supply Generation” ppt October 12, 2010 public meeting

6. Payette

9. Current Data Graph

10. Boise River

11. Return to Climate Charts Web page. Climate Charts Return to Climate Charts Web page. Climate Charts Return to Climate Charts Web page. Climate Charts Rare Precipitation Events in June and August Return to Climate Charts Web page. Climate Charts Return to Climate Charts Web page.

14. Snake

16. Return to Climate Charts Web page.

18. Surface Water Coalition In-Season Shortfall Order DatePredicted In-Season Shortfall April 29 th 84,300 AF May 17 th 68,400 AF June 24 th 56,000 AF August 10 th (Interlocatory)0 AF September 17 th (Final In-Season Shortfall)0 AF

19. 2010 Early Season ESPA Recharge Summary February 24 through June 25 Canalcumulativestart/end % of total volume a-f Aberdeen-Springfield5,322 4-12 / 6-21 9 AFRD22,002 4-12 / 6-23 3 Fremont-Madison49,466 2-24 / 6-20 84 Southwest1,293 3-15 / 4-13 2 Snake River Valley1,125 4-10 / 4-15 2 TOTAL 59,208 above American Falls 55,913 a-f 94% of total below American Falls 3,295 a-f 6% of total

22. Bear River Cool Wet Spring Delay in Irrigation Demand Water rights period of use ends 9/30.

23. Questions?