What is a sole-source aquifer?
According to the Environmental Protection Agency (EPA), a sole-source aquifer is an underground water supply designated as the only or principal source of drinking water for an area. EPA uses two criteria to decide if an aquifer can be designated: • It must provide the main source (at least 50 percent) of drinking water for people living in the area. • There can be no other feasible drinking water source in the area. Where does Issaquah currently get its water? The City of Issaquah has several different sources for water. Along with groundwater wells that tap the Lower Issaquah Valley Aquifer, Issaquah also receives water from the Cascade Water Alliance (CWA). The CWA, which includes eight Eastside cities and districts, works to provide water supply to its members to meet current and future needs in a cost-effective and environmentally responsible manner. In addition, Issaquahs Montreux and Lakemont neighborhoods are currently supplied by water purchased from Bellevue. What could a des
