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Saguenay flood

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The Saguenay Flood was a series of flash floods that hit the Saguenay-Lac-Saint-Jean region of Quebec, Canada on July 19 and 20, 1996.

Problems started after two weeks of constant rain, which severely engorged soils, rivers and reservoirs. The Saguenay region is a geological graben, which increased the effect of the sudden massive rains of July 19, 1996. In the span of a few hours, eleven inches fell on the region, the equivalent to the amount of rain usually received in a month.

Over eight feet of water ran through parts of Chicoutimi and La Baie, completely levelling an entire neighbourhood. Over 16,000 people were evacuated. The official death tolls were seven deaths, but other sources (notably Canadian Geographic) cite ten. Estimates reach $CND 1.5 billion in damages.

A small white house [1] that stood unharmed while torrents of water flowed around it became the symbol of the flood. It has been preserved, even though uninhabited, and despite a fire in 2002 remains standing today.

An unexpected effect of the flood was to cover the heavily contaminated sediments at the bottom of the Saguenay and Ha! Ha! rivers with feet of new clean sediments. Research has shown that these contaminated sediments are no longer a threat to ecosystems.

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