Water Supply Outlook for Alberta
April 2006
Table 4a - Water Supply Forecast as of April 1, 2006 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2006 | ||||||
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 2005 Volume as a % of Average |
St. Mary River | 711,000* | 95 | 83-116 | 64 | 41/91 | 77 |
Belly River | 229,000 | 94 | 79-116 | 72 | 34/91 | 90 |
Waterton River | 605,000 | 100 | 81-116 | 72 | 51/91 | 85 |
Oldman River near Brocket | 1,058,000 | 97 | 82-123 | 64 | 47/91 | 132 |
Oldman River at Lethbridge | 2,791,000 | 94 | 74-114 | 60 | 44/91 | 106 |
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
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