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.

The Albany County Water Purification District owns and operates two wastewater treatment facilities, designated North and South, which provide secondary treatment to the wastewater of eight communities in Albany County. The North plant is located in the Village of Menands and designed to treat an average daily flow of 35 MGD. The South plant is located in the Port of Albany and was designed for 19MGD and is permitted for 29 MGD.

The North plant treats wastewater from the Cities of Cohoes, Watervliet and a portion of Albany as well as the Towns of Guilderland and Colonie and the Villages of Colonie, Green Island and Menands. The South plant treats wastewater from approximately 90% of City of Albany and the Port of Albany.

https://www.albanycounty.com/home/showpublisheddocument?id=952