FLAGSTAFF — Per Environmental Protection Agency (EPA) and Arizona Department of Environmental Quality (ADEQ) requirements, the City has been conducting an inventory of the location and material type of all city water service lines. City customers with service lines of unknown material will receive a notice from the City of Flagstaff in early November 2024. There is a possibility that water service lines of unknown material could be made of lead or galvanized pipe that was previously connected to lead.