Metro Water is a free Android application developed by Chennai Metropolitan Water Supply & Sewerage Board. The app falls under the Social & Communication category, and it aims to provide a convenient way for the residents of Chennai to manage their water supply and sewerage services.

The app's main features include the ability to view and pay water bills, track the status of complaints, and raise new complaints related to water supply and sewerage services. Additionally, users can also view their consumption history and apply for new water and sewerage connections through the app. The interface is user-friendly, and the app is easy to navigate, making it a useful tool for anyone living in Chennai.