Water Supply Outlook for Alberta
November 2015
Recorded March 1 to September 30, 2015 Natural Runoff Volumes - Oldman River Basin
(Natural Flows) |
2015 Recorded Volumes March 1 to September 30 | 2015 Forecast Volumes | ||||
Locations | Volume in dam3 |
Volume as a % of Average |
Ranking (lowest to highest) | Average difference between Forecast and Recorded natural volumes | |
St. Mary River | 529,000** | 79 | 18/99 | 13% | |
Belly River | 185,000* | 80 | 15/99 | 17% | |
Waterton River | 432,000* | 79 | 18/99 | 12% | |
Oldman River near Brocket | 774,000* | 79 | 22/99 | 10% | |
Oldman River at Lethbridge | 1,982,000* | 70 | 17/99 | 17% |
* - Recorded 2015 natural volumes are preliminary and subject to change Average is based on the period 1981 to 2009 Ranking is based on the period 1912 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