Kootenay Lake: Difference between revisions

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(→‎History: more precise)
The lake originally seasonally [[flood]]ed an approximately 80 km long [[marsh]] lying to the lake's south within the [[Creston Valley]]. However, this has now been [[dike (construction)|diked]] and converted to commercial [[agriculture]]. A smaller wetland area has been protected in this area.
In 1931, [[Corra Linn Dam]] was built at the outflow from Kootenay Lake, where it once again became a river.<ref>[http://archive.ilmb.gov.bc.ca/bcgn-bin/bcg10?name=51921, BC geographical names, Corra Linn Dam, Retrieved February 15, 2011.]</ref> The dam provides flood control and winter power generation by raising the normal water level by two meters. Just down river is [[Kootenay River#The Falls|Bonnington Falls]], today the site of several [[hydroelectric dams]]. In 2003 the lake discharged 16.9 million cubic kilometres of water. High water for that year was a normal 533 metres, the record is 537 metres in 1961.<ref>http://www.ijc.org/rel/boards/Kootenay_Lake/klbc_2003_annual_report.pdf</ref> In 1967 as part of the [[Columbia River Treaty]] the [[Duncan Dam]] was constructed above Kootenay Lake on the [[Duncan River]], creating a 7,145 hectare reservoir for floodflow control.<ref name=cominco/> Also part of the treaty [[Libby Dam]] in Montana, was completed in 1975.
== Fauna ==