Water Supply Outlook for Alberta
August 2015
| Water Supply Forecast as of August 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 | 838,000 | 83 | 81-85 | 79 | 8/99 | 101 |
| Lake Minnewanka Inflow | 115,000 | 65 | 62-68 | 59 | 4/99 | 110 |
| Spray River near Banff | 245,000 | 68 | 65-71 | 62 | 12/99 | 88 |
| Kananaskis River | 327,000 | 85 | 83-88 | 81 | 16/99 | 116 |
| Bow River at Calgary | 1,805,000 | 78 | 77-80 | 75 | 8/99 | 144 |
| Elbow River | 161,000 | 80 | 78-82 | 76 | 27/99 | 144 |
| Highwood River | 383,000 | 69 | 63-75 | 58 | 17/99 | 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
