Water Supply Outlook for Alberta
April 2015
Water Supply Forecast as of April 1, 2015 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2015 | ||||||
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 2014 Volume as a % of Average |
St. Mary River | 617,000* | 92 | 83-106 | 76 | 27/99 | 146 |
Belly River | 231,000 | 99 | 91-111 | 84 | 41/99 | 129 |
Waterton River | 505,000 | 92 | 81-108 | 71 | 27/99 | 137 |
Oldman River near Brocket | 907,000 | 92 | 80-104 | 70 | 36/99 | 155 |
Oldman River at Lethbridge | 2,482,000 | 88 | 77-99 | 67 | 31/99 | 147 |
* - 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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