Searching for city-specific information outside of the United States can be challenging.
You will need to find partial information from multiple sources to put together for your city water situation. This includes sometimes using country information and inferring for the city. Historical information is fine, as it can contribute to analysis of a trend over time.
Allow plenty of time for this research.
See the menu at left for suggested sources of information for the contents of your report.
Beijing, China, skyline
Madrid, Spain, skyline
Nairobi, Kenya, cityscape
Tehran, Iran, skyline