This article echos the discussion in a previous post about using peoples’ reputations to encourage or shame them into doing the right thing. This article mentions water use shaming in California. It seems that calling out people in particular and in general for wasting water for things such as their lawns has a positive effect. Unfortunately its not enough to resolve the issue in the deeply under resourced and dry West.
See the previous post and link to an article about public reputations and energy conservation here.
NYTimes: Californians Keep Up With Joneses’ Water Use