Water Supply Outlook for Alberta
August 2012
Water Supply Forecast as of August 1, 2012 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2012 | ||||||
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 2011 Volume as a % of Average |
St. Mary River | 832,000* | 110 | 108-113 | 106 | 66/91 | 143 |
Belly River | 281,000 | 115 | 113-117 | 109 | 71/91 | 146 |
Waterton River | 554,000 | 91 | 89-95 | 88 | 36/91 | 144 |
Oldman River near Brocket | 1,190,000 | 109 | 108-110 | 106 | 59/91 | 148 |
Oldman River at Lethbridge | 3,164,000 | 106 | 104-109 | 102 | 54/91 | 145 |
* - This value is the natural volume and includes the U.S. share Average is calculated for the March 1 to September 30 period from 1912 to 2001
  |
For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca