We solve this kind of problem with markets, or in California's case, we flagrantly ignore the solution and start fucking with people's supply.
Let's try making it efficient first, and then see if we need to add equity. Kraft Dinner is very efficient to make, we add equity with EBT cards.
I think it would be perfectly reasonable to assume that agricultural water from individual farms dwarfs that of individual residences, so you just need to find the cutoff at which residential allowance stops applying.
As a bonus, not using all that water to grow artichokes leaves more water for people to drink.
So, yeah. Like samatman said, "Let's try making it efficient first, and then see if we need to add equity."
You were defending a market-based solution to water usage, which I asserted would be inequitable and therefore immoral.
Flow restrictors are pretty anti-market, and I think they're a great solution to penalizing those who repeatedly break the rules.
Aren't you glaringly forgetting diminishing marginal utility of money in personal consumption?
Californian citizens pay for water. Agriculture doesn't work that way. It should.