| in Did You Know Facts
Niagara Falls supplies around 20% of the drinking water in the United States.
Niagara Falls supplies about one-fifth of the drinking water in the United States. The surrounding Great Lakes contain 84 percent of North America's surface fresh water and offer approximately 21 percent of the world's surface fresh water supply. Consumption water from Niagara Falls should be avoided since it may be contaminated with parasites or germs before it is cleansed for drinking.