Water Supply Outlook for Alberta
June 2015
Water Supply Forecast as of June 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 | 905,000 | 90 | 86-94 | 83 | 15/99 | 101 |
Lake Minnewanka Inflow | 144,000 | 81 | 73-93 | 65 | 17/99 | 110 |
Spray River near Banff | 318,000 | 88 | 83-94 | 77 | 26/99 | 88 |
Kananaskis River | 342,000 | 89 | 84-95 | 79 | 25/99 | 116 |
Bow River at Calgary | 2,027,000 | 88 | 84-91 | 81 | 23/99 | 144 |
Elbow River | 175,000 | 87 | 77-104 | 69 | 35/99 | 144 |
Highwood River | 485,000 | 87 | 70-113 | 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