Water Supply Outlook for Alberta
March 2011
| Water Supply Forecast as of March 1, 2011 - Bow River Basin
(Natural Flows) |
| Volume Forecast for March 1 to September 30, 2011 | ||||||
| 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 2010 Volume as a % of Average |
| Bow River at Banff | 1,119,000 | 104 | 98-121 | 81 | 58/91 | 69 |
| Lake Minnewanka Inflow | 189,000 | 101 | 84-115 | 74 | 50/91 | 89 |
| Spray River near Banff | 373,000 | 102 | 91-116 | 78 | 48/91 | 73 |
| Kananaskis River | 412,000 | 101 | 86-118 | 74 | 49/91 | 75 |
| Bow River at Calgary | 2,431,000 | 100 | 90-118 | 75 | 49/91 | 77 |
| Elbow River | 194,000 | 89 | 81-101 | 66 | 43/91 | 88 |
| Highwood River | 573,000 | 92 | 63-107 | 55 | 43/91 | 79 |
|
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
