Water Supply Outlook for Alberta
July 2006
| Table 5a - Water Supply Forecast as of July 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 | 1,002,000 | 94 | 88-101 | 84 | 31/91 | 90 |
| Lake Minnewanka Inflow | 167,000 | 89 | 84-105 | 81 | 33/91 | 129 |
| Spray River near Banff | 414,000 | 113 | 108-125 | 103 | 68/91 | 107 |
| Kananaskis River | 408,000 | 100 | 93-115 | 87 | 47/91 | 113 |
| Bow River at Calgary | 2,375,000 | 98 | 88-109 | 82 | 43/91 | 111 |
| Elbow River | 187,000 | 86 | 80-99 | 77 | 38/91 | 143 |
| Highwood River | 475,000 | 76 | 70-89 | 67 | 32/91 | 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
