Water Supply Outlook for Alberta
August 2017
Water Supply Forecast as of August 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 | 786,000* | 117 | 115-119 | 113 | 67/99 | 84 |
Belly River | 240,000 | 103 | 102-105 | 100 | 51/99 | 88 |
Waterton River | 508,000 | 93 | 91-96 | 90 | 27/99 | 90 |
Oldman River near Brocket | 1,003,000 | 102 | 100-104 | 98 | 46/99 | 66 |
Oldman River at Lethbridge | 2,627,000 | 93 | 91-95 | 90 | 41/99 | 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