Climate has always been the most nebulous of Arizona's 5 Cs. The most common thought of what it refers to is the mild winters and low humidity that, unless you're in the mountains, dominate the state. Winter weather that often requires little more than a sweater often entices northerners when Jack Frost is doing a little more than nipping at their noses. As people relocate to Arizona, it brings a need for increased housing and thus a need for more residential water consumption. As the state deals with concerns about water and homebuilding, we head to a part of the state that has been battling such concerns for nearly two decades to learn about two long, protracted battles over building houses while trying to keep a river alive.