This map shows Class "C", "High Hazard" dams: A dam failure may result in widespread or serious damage to home(s); damage to main highways, industrial or commercial buildings, railroads, and/or important utilities, including water supply, sewage treatment, fuel, power, cable or telephone infrastructure; or substantial environmental damage; such that the loss of human life or widespread substantial economic loss is likely.

The North Plant is located in Menands and is designed to treat an average daily flow of 35 MGD. That is equal to 87 Olympic Swimming Pools worth of water.