Water Supply Outlook for Alberta
April 2010
| Water Supply Forecast as of April 1, 2010 - Bow River Basin
(Natural Flows) |
| Volume Forecast for March 1 to September 30, 2010 | ||||||
| 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 2009 Volume as a % of Average |
| Bow River at Banff | 881,000 | 82 | 73-91 | 68 | 11/91 | 72 |
| Lake Minnewanka Inflow | 153,000 | 82 | 69-92 | 61 | 24/91 | 84 |
| Spray River near Banff | 316,000 | 86 | 73-99 | 68 | 24/91 | 84 |
| Kananaskis River | 364,000 | 89 | 83-100 | 73 | 29/91 | 83 |
| Bow River at Calgary | 1,975,000 | 81 | 72-94 | 65 | 18/91 | 80 |
| Elbow River | 178,000 | 82 | 67-94 | 58 | 35/91 | 86 |
| Highwood River | 451,000 | 72 | 51-101 | 46 | 29/91 | 67 |
|
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
