The dam was subsequently washed out and rebuilt many times over the coming years.
The dam was rebuilt in 1926, and altered again in 1956.
That dam failed with similar downstream damage on 7 May 1861, but has subsequently been rebuilt.
The current dam was rebuilt roughly two hundred years ago after storm damage.
The dam was rebuilt in 1911-12 and again in 1943-44.
Destroyed by a flood in the mid 1950s, the upper dam was never rebuilt.
Subsequently the dam was rebuilt, raising the level an additional four feet.
Eight years later, the dam was rebuilt so it crossed the river in a straight line rather than at an angle.
The dam was rebuilt in 1916-1917 to better accommodate flood flows.
However, that dam broke, and is currently being rebuilt with international funding.