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Information placard about fish at Cohoes Falls

The Cohoes Falls is 90 feet (28 m) high and 1,000 feet (305 m) wide. Its flow is most impressive in springtime, sometimes running at 90,000 cubic feet (2,500 m3) of water per second,[1] but as the season changes, there is less water for the falls because so much of the flow is diverted at the Crescent Dam to the Barge Canal through Lock 6. Most of the water is still diverted for power generation; some is diverted for the Cohoes water supply. During the summer, the falls are virtually dry, revealing shale rock formations that have their own distinctive beauty. The 87-year average flow of the Mohawk River at Cohoes is 34,638 cubic feet per second, but this includes water diverted to the power plant and Erie Canal locks.[2]

 

Comparing Cohoes Falls To Niagara Falls

 

Width of Cohoes Falls is roughly 1,000 feet (300 m). Niagara Falls width is 830 feet (250 m) for American Falls and 2,200 feet (670 m) for Horseshoe Falls.

 

Height of Cohoes Falls ranges from 75 feet (23 m) on the north side to 90 feet (27 m) on the south end. Niagara Falls height is 70 to 110 feet (34 m) for American Falls and 163 feet (50 m) for Horseshoe Falls.

 

Water flow over Cohoes Falls ranges from zero to 90,000 cubic feet per second. (During Hurricane Irene in August 2011, the flow was estimated to be over 100,000 cubic feet per second with a total river flow of 117,000.[3]) Water flow over Niagara Falls ranges from 5,000 to 21,000 cubic feet per second for American Falls and 45,000 to 190,000 cubic feet per second for Horseshoe Falls.

 

Cohoes Falls generates about 190,000 megawatt hours of electricity a year. Niagara Falls produces about 2.4 gigawatt hours in New York and 2.0 gigawatt hours in Canada.

 

At Niagara Falls, the annual rate of tourism tops 28 million people.[4] There is no tourist industry at Cohoes Falls.

 

Photo By Derek J. Ewing

Copyright 2019 - All Rights Reserved.

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Uploaded on May 5, 2019
Taken on May 5, 2019