We've all seen it. You're driving through a neighborhood or business district and you see someone hosing down the sidewalk. It's not exactly up to property owners to keep sidewalks clean, but they may be trying to ensure areas outside their front doorsteps are attractive to visitors and customers. Of course, during a drought, they might just want to use a broom. At least, that's what water experts say.
- Mar. 5, 2014