Water Supply Outlook for Alberta
April 2017
Water Supply Forecast as of April 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 | 1,119,000 | 111 | 107-116 | 104 | 65/99 | 88 |
Lake Minnewanka Inflow | 177,000 | 100 | 90-115 | 80 | 44/99 | 74 |
Spray River near Banff | 406,000 | 113 | 106-120 | 99 | 71/99 | 78 |
Kananaskis River | 392,000 | 103 | 94-114 | 86 | 44/99 | 81 |
Bow River at Calgary | 2,541,000 | 110 | 105-115 | 101 | 65/99 | 80 |
Elbow River | 209,000 | 104 | 91-126 | 80 | 57/99 | 72 |
Highwood River | 501,000 | 90 | 74-107 | 59 | 38/99 | 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