Do they really turn the falls off in Niagara at night?
While OPG most definitely could shut the water in Niagara River directly off, using the control damns situated throughout the river, it would most certainly flood out Fort Erie, Navy Island and Chippawa, so they never will. Instead they use the control damns to divert more or less amounts of water into the Falls and into the Welland Canal, more famously known as the Chippawa Crick, which they can completely reverse the flow of if wanted. They do cut the amount of water flowing over the Falls at night, by diverting it into the turbines to produce more electricity, while less people will be viewing, as to not take away from the power of the Falls.
