2023 Volume 37 Issue 2 Pages 50-54
The purpose of this paper is to provide an overview of the current state of ageing water supply infrastructure, to identify how municipalities are attempting to cope with aging water supply infrastructure, using the case study of Yokohama City, and to examine future issues for addressing ageing infrastructure. Issues such as what should be the basis for calculating water rates and how much asset maintenance costs should be included in water rates will be presented.