Water Supply Outlook for Alberta
May 2008
Table 3a - Water Supply Forecast as of May 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 | 714,000* | 96 | 82-115 | 66 | 41/91 | n/a** |
Belly River | 223,000 | 91 | 82-106 | 72 | 29/91 | n/a** |
Waterton River | 546,000 | 90 | 76-110 | 66 | 30/91 | n/a** |
Oldman River near Brocket | 988,000 | 91 | 77-117 | 62 | 39/91 | n/a** |
Oldman River at Lethbridge | 2,649,000 | 89 | 71-113 | 58 | 39/91 | 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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