Water Supply Outlook for Alberta
March 2007
Table 4 - Water Supply Forecast as of March 1, 2007 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2007 | ||||||
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 2006 Volume as a % of Average |
St. Mary River | 705,000* | 95 | 71-111 | 63 | 39/91 | 95 |
Belly River | 235,000 | 96 | 81-116 | 72 | 40/91 | 94 |
Waterton River | 594,000 | 98 | 75-116 | 62 | 46/91 | 93 |
Oldman River near Brocket | 1,029,000 | 94 | 75-124 | 58 | 41/91 | 83 |
Oldman River at Lethbridge | 2,809,000 | 94 | 68-114 | 55 | 46/91 | 89 |
Note: Click on the site Location to see the Water Supply Forecast graphically
|
* - This value is the natural volume and includes the U.S. share 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