This document summarizes a webquest about where water comes from. It reviews the water cycle and different natural reservoirs of freshwater like groundwater, glaciers, rivers, lakes and the atmosphere. It then discusses the major sources of drinking water and how they relate to the water cycle. The webquest has students investigate their local water sources using Google Earth and an EPA website to determine where their drinking water comes from, like a nearby watershed. It concludes by discussing individual and societal responsibilities for protecting water sources.