Water Supply Outlook for Alberta
May 2013
Water Supply Forecast as of May 1, 2013 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2013 | ||||||
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 2012 Volume as a % of Average |
St. Mary River | 689,000* | 103 | 85-110 | 77 | 42/99 | 118 |
Belly River | 232,000 | 100 | 92-111 | 84 | 48/99 | 121 |
Waterton River | 590,000 | 108 | 97-124 | 87 | 51/99 | 99 |
Oldman River near Brocket | 979,000 | 99 | 86-121 | 77 | 43/99 | 120 |
Oldman River at Lethbridge | 2,819,000 | 100 | 88-111 | 78 | 51/99 | 109 |
* - This value is the natural volume and includes the U.S. share Average is calculated for the March 1 to September 30 period from 1981 to 2009
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