Granite Staters' impact on fresh water - and, conversely, inland waters' impact on Granite Staters - has evolved over time. Our pollution has changed, as has our hydro-power, our experiences with floods, our watershed protections, our exposure to invasive vegetation, and our use of water in the home. This illustrated presentation by Jim Rousmaniere explores the roles of industry, innovation, and citizen action in assuring clean and plentiful water supplies in a state that in many ways has been defined by water.