Water Supply Outlook for Alberta
April 2017
Water Supply Forecast as of April 1, 2017 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2017 | ||||||
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 2016 Volume as a % of Average |
St. Mary River | 789,000* | 118 | 109-132 | 101 | 55/99 | 84 |
Belly River | 275,000 | 119 | 110-130 | 103 | 74/99 | 88 |
Waterton River | 633,000 | 116 | 106-125 | 98 | 62/99 | 90 |
Oldman River near Brocket | 1,137,000 | 115 | 104-127 | 93 | 59/99 | 66 |
Oldman River at Lethbridge | 3,382,000 | 120 | 109-131 | 99 | 68/99 | 66 |
* - 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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