Water Supply Outlook for Alberta
August 2010
Water Supply Forecast as of August 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 | 871,000* | 117 | 116-120 | 114 | 68/91 | 71 |
Belly River | 251,000 | 103 | 101-104 | 99 | 51/91 | 82 |
Waterton River | 617,000 | 102 | 100-104 | 99 | 51/91 | 77 |
Oldman River near Brocket | 966,000 | 89 | 87-90 | 86 | 37/91 | 65 |
Oldman River at Lethbridge | 2,824,000 | 95 | 95-101 | 90 | 46/91 | 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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