Water Supply Outlook for Alberta
May 2017
| Water Supply Forecast as of May 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 | 1,224,000 | 121 | 117-126 | 114 | 81/99 | 88 |
| Lake Minnewanka Inflow | 208,000 | 117 | 107-132 | 98 | 69/99 | 74 |
| Spray River near Banff | 401,000 | 111 | 104-119 | 97 | 68/99 | 78 |
| Kananaskis River | 405,000 | 106 | 96-118 | 86 | 50/99 | 81 |
| Bow River at Calgary | 2,691,000 | 117 | 112-122 | 107 | 74/99 | 80 |
| Elbow River | 244,000 | 120 | 115-126 | 109 | 66/99 | 72 |
| Highwood River | 626,000 | 113 | 106-119 | 100 | 57/99 | 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
