Water Supply Outlook for Alberta
August 2010
| Water Supply Forecast as of August 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 | 753,000 | 70 | 68-74 | 68 | 2/91 | 72 |
| Lake Minnewanka Inflow | 155,000 | 83 | 81-87 | 79 | 26/91 | 84 |
| Spray River near Banff | 266,000 | 73 | 70-74 | 68 | 7/91 | 84 |
| Kananaskis River | 310,000 | 76 | 74-78 | 72 | 11/91 | 83 |
| Bow River at Calgary | 1,794,000 | 75 | 73-78 | 71 | 10/91 | 80 |
| Elbow River | 178,000 | 81 | 79-84 | 78 | 35/91 | 86 |
| Highwood River | 448,000 | 72 | 70-76 | 69 | 35/91 | 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
