Water Supply Outlook for Alberta
August 2006
| Table 5a - Water Supply Forecast as of August 1, 2006 - Bow River Basin
(Natural Flows) |
| Volume Forecast for March 1 to September 30, 2006 | ||||||
| Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average |
Reasonable Minimum as % of Average |
Forecast Ranking (lowest to highest) | Recorded March-September 2005 Volume as a % of Average |
| Bow River at Banff | 899,000 | 84 | 81-89 | 79 | 12/91 | 90 |
| Lake Minnewanka Inflow | 144,000 | 77 | 76-81 | 74 | 17/91 | 129 |
| Spray River near Banff | 379,000 | 103 | 101-108 | 99 | 51/91 | 107 |
| Kananaskis River | 371,000 | 91 | 86-100 | 85 | 33/91 | 113 |
| Bow River at Calgary | 2,142,000 | 88 | 81-94 | 78 | 25/91 | 111 |
| Elbow River | 176,000 | 81 | 78-90 | 77 | 33/91 | 143 |
| Highwood River | 442,000 | 71 | 68-78 | 68 | 29/91 | 197 |
|
Note: Click on the site Location to see the Water Supply Forecast graphically Average is calculated for the March 1 to September 30 period from 1912 to 2001 NOTE: There is: a 50% chance that the actual natural flow will fall within the probable range given; a 25% chance that the actual flow will be less than the lower bound of the probable range given; and a 10% chance that the actual natural flow will be less than the reasonable minimum. Actual day to day streamflow conditions may vary throughout the season as a result of the effects of streamflow diversion and reservoir storage. |
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