California is serious about water reduction

California's vast network of reservoirs, canals and rivers is among the world's most engineered water systems, but it is tough to prove when water is illegally siphoned because of sparse metering, infrequent reporting and a complex web of tens of thousands of water rights.

http://www.mercurynews.com/drought/ci_28528305/california-drought-regulators-say-first-unauthorized-water-diversion