Water Supply Outlook for Alberta
February 2013
Water Supply Forecast as of February 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 | 607,000* | 90 | 81-105 | 73 | 25/99 | 118 |
Belly River | 228,000 | 98 | 90-110 | 82 | 40/99 | 121 |
Waterton River | 592,000 | 108 | 96-124 | 86 | 51/99 | 99 |
Oldman River near Brocket | 865,000 | 88 | 75-108 | 64 | 29/99 | 120 |
Oldman River at Lethbridge | 2,624,000 | 93 | 80-106 | 69 | 41/99 | 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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