Water Supply Outlook for Alberta
March 2018
Water Supply Forecast as of March 1, 2018 - Bow River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2018 | ||||||
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 2017 Volume as a % of Average |
Bow River at Banff | 1,104,000 | 109 | 105-115 | 101 | 60/99 | 116 |
Lake Minnewanka Inflow | 189,000 | 107 | 95-121 | 84 | 53/99 | 101 |
Spray River near Banff | 414,000 | 115 | 111-119 | 108 | 74/99 | 92 |
Kananaskis River | 405,000 | 106 | 96-116 | 87 | 50/99 | 95 |
Bow River at Calgary | 2,536,000 | 110 | 105-115 | 101 | 65/99 | 104 |
Elbow River | 199,000 | 98 | 88-120 | 80 | 49/99 | 84 |
Highwood River | 562,000 | 101 | 82-120 | 65 | 47/99 | 82 |
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