Water Supply Outlook for Alberta
August 2008
Table 3a - Water Supply Forecast as of August 1, 2008 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2008 | ||||||
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 2007 Volume as a % of Average |
St. Mary River | 790,000* | 106 | 103-110 | 102 | 60/91 | n/a** |
Belly River | 239,000 | 98 | 96-104 | 94 | 43/91 | n/a** |
Waterton River | 669,000 | 110 | 108-113 | 107 | 63/91 | n/a** |
Oldman River near Brocket | 1,056,000 | 97 | 95-100 | 95 | 56/91 | n/a** |
Oldman River at Lethbridge | 3,020,000 | 101 | 98-105 | 96 | 51/91 | n/a** |
* - This value is the natural volume and includes the U.S. share ** The recorded March-September 2007 volumes will be published in the next Water Supply Outlook Report. Average is calculated for the March 1 to September 30 period from 1912 to 2001
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