Water Supply Outlook for Alberta
August 2012
| Water Supply Forecast as of August 1, 2012 - Bow River Basin
(Natural Flows) |
| Volume Forecast for March 1 to September 30, 2012 | ||||||
| Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average |
Potential Minimum as % of Average |
Forecast Ranking (lowest to highest) | Recorded March-September 2011 Volume as a % of Average |
| Bow River at Banff | 1,407,000 | 131 | 129-137 | 128 | 90/91 | 95 |
| Lake Minnewanka Inflow | 306,000 | 164 | 159-174 | 155 | 91/91 | 133 |
| Spray River near Banff | 482,000 | 131 | 129-133 | 127 | 88/91 | N/A |
| Kananaskis River | 500,000 | 122 | 119-124 | 117 | 78/91 | 97 |
| Bow River at Calgary | 3,263,000 | 82 | 80-87 | 77 | 85/91 | 113 |
| Elbow River | 242,000 | 111 | 109-113 | 105 | 61/91 | 128 |
| Highwood River | 756,000 | 120 | 118-124 | 117 | 65/91 | 146 |
|
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 potential minimum. Actual day to day streamflow conditions may vary throughout the season as a result of the effects of streamflow diversion and reservoir storage. |
For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca
