"You might say that water needs to be conserved. Yes, and so does every other scarce good. The peaceful way to do this is through the price system. But because municipal water systems have created artificial shortages, other means become necessary. One regulation piles on top of another, and the next thing you know, you have shower commissars telling you what you can or cannot do in the most private spaces."
Interesting read on how the feds make our showers less enjoyable (and ways to illegaly hack your shower-head to allow more flow).