Water Supply Outlook for Alberta
June 2006
Table 5a - Water Supply Forecast as of June 1, 2006 - Bow River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2006 | ||||||
Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average |
Reasonable Minimum as % of Average |
Forecast Ranking (lowest to highest) | Recorded March-September 2005 Volume as a % of Average |
Bow River at Banff | 1,009,000 | 94 | 89-104 | 86 | 33/91 | 90 |
Lake Minnewanka Inflow | 173,000 | 93 | 86-113 | 82 | 39/91 | 129 |
Spray River near Banff | 373,000 | 102 | 95-116 | 90 | 47/91 | 107 |
Kananaskis River | 391,000 | 96 | 90-110 | 86 | 40/91 | 113 |
Bow River at Calgary | 2,323,000 | 96 | 85-108 | 81 | 41/91 | 111 |
Elbow River | 190,000 | 87 | 77-110 | 69 | 39/91 | 143 |
Highwood River | 494,000 | 79 | 67-106 | 55 | 34/91 | 197 |
Note: Click on the site Location to see the Water Supply Forecast graphically Average is calculated for the March 1 to September 30 period from 1912 to 2001 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 reasonable 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