Water Supply Outlook for Alberta
February 2010
Water Supply Forecast as of February 1, 2010 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2010 | ||||||
Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average | Potential Minimum as % of Average | Forecast Ranking (lowest to highest) | Recorded March-September 2009 Volume as a % of Average |
St. Mary River | 597,000* | 80 | 65-98 | 50 | 18/91 | 71 |
Belly River | 207,000 | 84 | 70-99 | 58 | 22/91 | 82 |
Waterton River | 515,000 | 85 | 64-100 | 50 | 25/91 | 77 |
Oldman River near Brocket | 923,000 | 85 | 58-101 | 52 | 32/91 | 65 |
Oldman River at Lethbridge | 2,424,000 | 81 | 56-99 | 46 | 27/91 | 67 |
* - 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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