idaho water supply committee meeting southwest idaho report march 8, 2012
TRANSCRIPT
Idaho Water Supply Committee Meeting
Southwest Idaho Report
March 8, 2012
73% of Boise System Capacity
69% of Payette System Capacity
Boise River Diversion Dam - 1912
Boise Basin RunoffMarch 1 – July 31
30-yr Avg.
1989 2008 2009 3/1/12 Fore-cast
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
1,800,000
1,604,0001,493,000
1,394,000 1,341,000
1,519,000
Acr
e-F
eet
95% of Avg.93% of Avg.
Anderson Ranch Reservoir InflowsMarch 1 – July 30
30-yr Avg.
1993 2008 2009 3/1/12 Forecast
0
100,000
200,000
300,000
400,000
500,000
600,000
700,000
589,000 621,000
464,000 492,000
557,000
Acr
e-F
eet
95% of Avg.
72% of Avg.
105% of Avg.
Payette River Runoff at Horseshoe Bend March 1 – July 31
30 YR AVG
2000 2008 2009 3/1/12 Forecast
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
1,800,000
2,000,000
1,800,000
1,453,000
1,824,000
1,625,000 1,530,000
Ac
re-F
ee
t
85% of Avg.
90% of Avg.81% of Avg.
Deadwood Reservoir InflowsMarch 1 – July 31
30 YR AVG 2000 2003 2009 3/1/12 Forecast
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
141,000
113,000
139,000
126,000 117,000
Ac
re-F
ee
t
83% of Avg.
89% of Avg.
30 YR AVG
2000 2009 2010 3/1/12 Forecast
0
100,000
200,000
300,000
400,000
500,000
600,000
569,000494,000
512,000533,000
494,000
Ac
re-F
ee
tCascade Reservoir Inflows
March 1 – July 31
87% of Avg.
93% of Avg.
59% of normal
41% of normal
65% of normal
Owyhee Basin RunoffMarch 1 – June 30
30-yr Avg.
2000 2001 2007 3/1/12 Fore-cast
0
100,000
200,000
300,000
400,000
500,000
600,000
591,000
260,000 254,000
138,000
244,000Acr
e-F
eet
41% of Avg.44% of Avg.
2000 - 259 kaf1987 – 140 kaf
2007 = 138 kaf2001 = 244 kaf
2005 - 580 kaf
