(→History: Regional standard units should be used.)
The lake originally [[Tide|tidally]] and 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 mouth of 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> Just down river was [[Kootenay_River#The_Falls|Bonnington Falls]], today the site of several [[hydroelectric dams]]. In 2003 the lake discharged
== Fauna ==