There's no shortage of ways residents are trying to employ to reduce their water usage. With no conceivable end in sight, the changes are now shifting a culture of water usage, and it's going to be a permanent change.
Some ways to get creative on capturing what rainfall does fall comes in the form of water capture for homes.
Check it out. http://la.curbed.com/archives/2015/11/stormwater_capture_los_angeles.php