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Behind the Scenes: Discover How Man Tamed Niagara Falls' Water Flow

Discover the incredible power and beauty of one of the world’s most famous natural wonders – Niagara Falls. Every year, millions of tourists from all corners of the globe come to admire this stunning waterfall and feel the refreshing spray on their faces. Yet, while it seems to be a force of nature running wild, you might be surprised to know that humans actually have control over Niagara Falls' water flow.

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Between May and October, during peak tourist season, the waterfall’s volume is regulated by both the New York Power Authority and Hydro One. This keeps the water flow steady at a powerful 100,000 cubic feet per second, ensuring visitors get to witness Niagara Falls at its most impressive.


However, as darkness falls between May and October the water flowing over Niagara Falls is reduced from 100,000 cubic feet per second to 50,000. Between November and April an additional 50,000 cubic feet per second is diverted by both the New York Power Authority and Hydro One. This means that 3/4 of the possible water that could go over Niagara Falls is diverted away from it, leaving only 1/4 to go over the brink each day.


In addition to being diverted for power generation, the diminished flow rate also helps slow down the rate of erosion, which is essential to preserve this [unofficial] wonder of the world.


So as you stand in awe before the crashing water, keep in mind the significant role that human engineering plays in enhancing and maintaining the spectacle that is Niagara Falls. This delicate balance of natural wonder and technological control is a testament to our capability to co-exist and interact with our planet’s most incredible phenomena. Visit Niagara Falls for a thrilling, unique experience, where the power of nature and man-made mastery blend to create one of the most stunning sights in the world.

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