But when water simply comes out of a tap when we need it and disappears down a drain when we are done with it, it becomes easy to be disconnected from this vital resource. We are here to help. Orient yourself to local water issues by starting here at Water 101. In the sections below, we’ll discuss where San Diego’s water supply comes from, where our water goes when we are done using it, and how water interacts with land as it moves through a watershed.


Where does our water come from?

Where does our water go?