You’ve heard there’s a water crisis. But, what does that mean? After all, experts can say all they want, but when water flows in seemingly limitless quantities out of the tap and gets trucked to cities in bottles by the ton, it sure doesn’t seem like water is something we’re in danger of losing anytime soon. Water quantity and quality should be a top issue for Americans. Below are the four major components of the issue, and how they’re all connected.