Supply

Supply and Demand

Water in the Cowichan Basin

The Cowichan Watershed can be characterised as having high precipitation/recharge, high storage, and low population/demand in the western and upper half of the watershed, contrasted with low precipitation, low storage, and high population/demand in the eastern and lower half. Supply and demand are not matched regionally, nor seasonally, and the supply-demand gap is pushed to extremes in the late summer and early fall.

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