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2010 Water Supply Summary
Liz Cresto
2010 Water Suppy
Impacts to Water Management– Power Generation– Payette River Flooding– Boise River Irrigation – Snake River Delivery Calls and Recharge– Bear River Irrigation
Source: Bonneville Power Administration “Balancing an Over-Supply Generation” ppt October 12, 2010 public meeting
Payette
Boise River
Rare Precipitation Events in June and August
Return to Climate Charts Web page.
Snake
Return to Climate Charts Web page.
Surface Water Coalition In-Season Shortfall
Order Date Predicted In-Season Shortfall
April 29th 84,300 AF
May 17th 68,400 AF
June 24th 56,000 AF
August 10th (Interlocatory) 0 AF
September 17th (Final In-Season Shortfall) 0 AF
2010 Early Season ESPA RechargeSummary February 24 through June 25
Canal cumulative start/end % of total
volume
a-f
Aberdeen-Springfield 5,322 4-12 / 6-21 9
AFRD2 2,002 4-12 / 6-23 3
Fremont-Madison 49,466 2-24 / 6-20 84
Southwest 1,293 3-15 / 4-13 2
Snake River Valley 1,125 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
24-Feb 3-Mar 10-Mar 17-Mar 24-Mar 31-Mar 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May19-May26-May 2-Jun 9-Jun 16-Jun 23-Jun 30-Jun0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
2010 Cumulative Recharge VolumeEarly Season, February 24 - June 25
total above American Falls
total below American Falls
total acre-feet
Date
Acr
e-F
eet
Early Season RechargeFeb 24 - Apr 15
55,815 a-f
Early Season RechargeJun 5 - 253,393 a-f
Total Early Season Recharge59,208 a-f
Bear River
• Cool Wet Spring• Delay in Irrigation Demand• Water rights period of use ends 9/30.
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