Water Supply Outlook for Alberta

September 2003

Table 2 - Recorded March 1 to August 31, 2003 Natural Runoff Volumes - Oldman River Basin (Natural Flows)

2003 Recorded Volumes
March 1 to August 31
Locations Volume in dam3 Volume as a
% of Average
Ranking (lowest to highest)
St. Mary River 522,000** 72 15/85
Belly River 191,000* 83 20/85
Waterton River 413,000* 65 12/85
Oldman River near Brocket 754,000* 71 20/85
Oldman River at Lethbridge 1,848,000* 65 15/85

Note: Click on the site Location to see the Water Supply Forecast graphically

* - Recorded 2003 natural volumes are preliminary and subject to change

** - This value is the natural volume and includes the U.S. share

Average and rankings are based on the period 1912 to 1995


For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca