Water Supply Outlook for Alberta
June 2017
Water Supply Forecast as of June 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 | 898,000* | 134 | 125-142 | 118 | 77/99 | 84 |
Belly River | 280,000 | 121 | 121-127 | 109 | 78/99 | 88 |
Waterton River | 596,000 | 109 | 102-116 | 96 | 52/99 | 90 |
Oldman River near Brocket | 1,259,000 | 128 | 121-135 | 114 | 70/99 | 66 |
Oldman River at Lethbridge | 3,454,000 | 122 | 114-131 | 106 | 69/99 | 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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