Water Supply Outlook for Alberta
February 2007
Table 3 - Water Supply Forecast as of February 1, 2007 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2007 | ||||||
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 2006 Volume as a % of Average |
St. Mary River | 696,000* | 93 | 76-113 | 57 | 39/91 | 95 |
Belly River | 231,000 | 95 | 78-116 | 67 | 36/91 | 94 |
Waterton River | 565,000 | 93 | 73-119 | 56 | 38/91 | 93 |
Oldman River near Brocket | 1,018,000 | 93 | 75-122 | 55 | 41/91 | 83 |
Oldman River at Lethbridge | 2,691,000 | 90 | 68-114 | 51 | 41/91 | 89 |
Note: Click on the site Location to see the Water Supply Forecast graphically |
* - This value is the natural volume and includes the U.S. share Average is calculated for the March 1 to September 30 period from 1912 to 2001
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