Water Supply Outlook for Alberta
July 2010
| Water Supply Forecast as of July 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 | 820,000 | 77 | 71-81 | 67 | 6/91 | 72 |
| Lake Minnewanka Inflow | 156,000 | 84 | 76-88 | 74 | 26/91 | 84 |
| Spray River near Banff | 274,000 | 75 | 66-78 | 66 | 7/91 | 84 |
| Kananaskis River | 318,000 | 78 | 73-83 | 71 | 12/91 | 83 |
| Bow River at Calgary | 1,838,000 | 76 | 70-81 | 67 | 10/91 | 80 |
| Elbow River | 172,000 | 79 | 75-87 | 71 | 31/91 | 86 |
| Highwood River | 436,000 | 70 | 65-79 | 64 | 28/91 | 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
