Water Supply Outlook for Alberta
August 2017
| Water Supply Forecast as of August 1, 2017 - Bow River Basin
(Natural Flows) |
| Volume Forecast for March 1 to September 30, 2017 | ||||||
| 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 2016 Volume as a % of Average |
| Bow River at Banff | 1,212,000 | 120 | 118-122 | 116 | 80/99 | 88 |
| Lake Minnewanka Inflow | 194,000 | 109 | 102-113 | 103 | 55/99 | 74 |
| Spray River near Banff | 357,000 | 99 | 96-102 | 93 | 42/99 | 78 |
| Kananaskis River | 382,000 | 100 | 97-103 | 95 | 40/99 | 81 |
| Bow River at Calgary | 2,501,000 | 108 | 107-110 | 106 | 59/99 | 80 |
| Elbow River | 173,000 | 86 | 83-91 | 81 | 33/99 | 72 |
| Highwood River | 478,000 | 86 | 80-92 | 75 | 35/99 | 55 |
|
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
