Water Supply Outlook for Alberta

March 2007

Reservoir Storage Conditions

As of March 1, 2007, water storage in the major irrigation reservoirs in the Oldman River basin range from normal to above normal, with the St. Mary and Waterton reservoirs at normal levels and the Oldman and Chain Lakes reservoirs being above normal. Water storage in the basin is similar to storage at this time last year.

Storage volume in the Milk River Ridge Reservoir is normal and similar to at this time last year.

Water storage as of March 1, 2007 in the major hydroelectric and irrigation reservoirs of the Bow River basin is generally below normal to normal, except for Lower Kananaskis Lake which is above normal. Water storage is generally similar to storage at this time last year, except for Spray Lake, Lake Minnewanka and Upper Kananaskis Lake which are lower than last year.

Water storage in the major reservoir of the Red Deer River basin is above normal. Water storage in the Dickson Reservoir is lower than at this time last year.

Storage volumes in the major hydroelectric reservoirs in the North Saskatchewan River basin are normal for this time of year. Water storage in Lake Abraham is slightly higher than at this time last year, while the Brazeau Reservoir is nearly 40% lower than last year.

Water storage in the Paddle River Reservoir in the Athabasca River basin is below normal and higher than at this time last year.

March 1, 2007 reservoir data is available in Table 1.


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