Water Supply Outlook for Alberta
July 2017
Water Supply Forecast as of July 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 | 849,000* | 126 | 120-133 | 115 | 75/99 | 84 |
Belly River | 260,000 | 112 | 108-116 | 104 | 65/99 | 88 |
Waterton River | 559,000 | 102 | 98-108 | 94 | 41/99 | 90 |
Oldman River near Brocket | 1,083,000 | 110 | 106-114 | 102 | 57/99 | 66 |
Oldman River at Lethbridge | 2,939,000 | 104 | 100-108 | 96 | 53/99 | 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
  |
For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca