Water Supply Outlook for Alberta
March 2008
Table 3 - Water Supply Forecast as of March 1, 2008 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2008 | ||||||
Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average | Reasonable Minimum as % of Average | Forecast Ranking (lowest to highest) | Recorded March-September 2007 Volume as a % of Average |
St. Mary River | 734,000* | 99 | 83-120 | 65 | 47/91 | n/a** |
Belly River | 233,000 | 95 | 82-121 | 74 | 38/91 | n/a** |
Waterton River | 575,000 | 95 | 77-117 | 65 | 40/91 | n/a** |
Oldman River near Brocket | 1,046,000 | 96 | 77-128 | 60 | 46/91 | n/a** |
Oldman River at Lethbridge | 2,774,000 | 93 | 71-121 | 58 | 44/91 | n/a** |
* - This value is the natural volume and includes the U.S. share ** The recorded March-September 2007 volumes will be published in the next Water Supply Outlook Report. 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