Water Supply Outlook for Alberta
February 2015
Water Supply Forecast as of February 1, 2015 - Bow River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2015 | ||||||
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 2014 Volume as a % of Average |
Bow River at Banff | 910,000 | 90 | 85-97 | 80 | 16/99 | 101 |
Lake Minnewanka Inflow | 157,000 | 89 | 78-103 | 67 | 31/99 | 110 |
Spray River near Banff | 359,000 | 100 | 93-107 | 87 | 43/99 | 88 |
Kananaskis River | 356,000 | 93 | 82-104 | 73 | 28/99 | 116 |
Bow River at Calgary | 2,156,000 | 94 | 89-98 | 85 | 31/99 | 113 |
Elbow River | 169,000 | 83 | 74-105 | 66 | 31/99 | 144 |
Highwood River | 486,000 | 88 | 70-115 | 55 | 35/99 | 156 |
Average is calculated for the March 1 to September 30 period from 1981 to 2009
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