Oct 1984 Cheekeye River Dec 1980 Aug 1958 Cheakamus River The recorded history of the Squamish community Squamish River Cheekeye River Stawamus River Cheakamus River shows a constant struggle to protect human Major debris flow Dec 1967 Log bridge across Mamquam River settlement from the natural forces that have Oct 1950 following a sudden Howe Sound the Cheakamus River Stawamus River Squamish River Oct 1955 rainstorm Sea dike was destroyed and damaged frequently led to flooding. Over the past century, Logjams on 3 rivers Damage to roads Mamquam River overtopped & homes Squamish has experienced numerous floods as led to damages to 200 and rail bridges Mamquam Bridge Downtown Squamish washed out for flooded. homes and closure of outlined below. 10th time in 28 Highway 99 years

1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s

Aug 1991 Oct 2003 Oct 1921 Dec 1932 Oct 1940 Dec 1951 Cheakamus River 1890s Oct 1958 Oct 1981 Squamish River Squamish River Mamquam River Howe Sound Squamish River Howe Sound Squamish River Cheakamus River Largest flood in 50 years Sept 1906 Squamish River Nov 1968 First River Dike proposed Squamish River Overtopping of Evacuations from Sea dike was breached 177 mm of rain in Cheekeye River (369 mm in 4 days) caused Squamish River Four feet of water Mamquam River Flood covered valley the sea dike in Brackendale to in two places 48 hours 15 houses on Cheakamus I.R. District evacuations and “Many settlers were over the main road in Flooding damaged a floor Downtown Downtown No. 11 were flooded and the damaged the BC rail line completely wiped out” Brackendale trailer park, highways access road to Paradise Valley Dikes were not overtopped (Myrtle Herndl) and the railway was washed out