Somenos Lake and Quamichan Lake are sister lakes in the Cowichan Watershed. Both lakes were formed when glaciers receded 11,000 years ago; both are shallow (seven metres deep) and bowl-shaped; and both can be expected to fill in and disappear in the next few thousand years. At present, the two lakes share a common set of […]
The Cowichan Lake Weir
The weir on Cowichan Lake is used to control the outflow from the lake into the Cowichan River during the spring-fall season. For much of the time between late fall and late spring each year, it does nothing, and the weir is referred to as “off control” since the lake level is above the top […]
Agriculture in the Cowichan Watershed
The Cowichan region has climate and soils that are well-suited to many different agricultural enterprises. Of 32,830 hectares of arable land, 9421 ha are considered prime agricultural land. However, about 80% of this area requires irrigation to produce high-value crops, and only 2465 ha are currently irrigated. Access to water for irrigation is a significant […]
Water Survey of Canada – beta discharge charts
The Water Survey of Canada (WSC) is the national authority responsible for standardized water resource data in Canada. WSC is a function of Environment Canada. WSC makes available near real-time hydrometric data, including discharge rates, water levels, and in some instances, temperature, for four stations in the Cowichan Watershed. We have included these four, and […]
Discharge in the Watershed
The Water Survey of Canada (WSC) is the national authority responsible for standardized water resource data in Canada. WSC is a function of Environment Canada.WSC makes available near real-time hydrometric data, which includes discharge rates, water levels and some temperatures. Four stations are in the Cowichan Watershed itself. Three other stations included on this page […]
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