I may be wrong but I think due to Prop 218, it's illegal for municipalities in California to charge more than the "actual cost". For one thing, this means that tiered water pricing will always get challenged.
http://www.sacbee.com/news/state/california/water-and-drough...
To further drive the Howard Jarvis people up a wall, make sure the rightsholding entity is a secretive private company based offshore with no corporate records of any kind.