Originally Posted by Keith
Water works by means of a underground network of pipes that extend a certain distance from each reservoir. You can extend coverage by linking reservoirs together with aqueducts. Reservoirs need to be attached to pumphouse which are near the rive and need equites to function.
Use your WATER over lay map and you'll see what parts of your city have access to piped water. Your baths and fountains need to be within the coverage area to function.
Elite housing also need to have access to piping, as they have internal wells.