LeakBird

(April 28, 2009, The Mercury News)

Water restrictions will begin Friday for about 90,000 residents from the North Coast to Capitola, after Santa Cruz leaders on Tuesday unanimously approved an emergency order to save water.
As a result, customers with Santa Cruz Water Department will be restricted to watering outdoors on two assigned days each week. Restaurants [...]

(April 23, 2009, The Los Angeles Times)
DWP has a water conservation team whose members drive through neighborhoods in Los Angeles checking for water waste. If your sprinkler is running on a Wednesday, they can cite you for violating the conservation measures. For a first citation, you will receive a warning. Subsequent citations are subject to [...]

There’s an excellent old article from 1997!?! on “submetering water” from the Journal of Property Management that’s surprisingly contemporary in its report, indicating how little has changed with regard to the promising yet cost-prohibitive installation of water meters per individual residential unit.
As I see it, the difficulties of water submetering in property management can be [...]