Water Supply Outlook for Alberta

March 2008

Oldman River Basin - Water Supply Forecasts

As of March 1, 2008, natural runoff volumes for the March to September 2008 period are forecast to be near average for the St. Mary, Belly, Waterton, and Oldman Rivers (Table 3). Current natural runoff volume forecasts range from 93 to 99% of average. Forecasts have increased since February 1, by 7% for the St. Mary River, 4% for the Oldman River, and 2% for the Waterton River, with no change for the Belly River. Current forecasted values for the March to September 2008 period for the Oldman River at Lethbridge would rank 44th lowest in 91-years of record (1912-2001).

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