The latter represents the amount of water you are allowed to use per day. If you don’t know it, you probably should. Not knowing could cost you money. As California’s severe drought moves into a fourth year, state and local water agencies are working on something called “allocation-based rate structures,” a kind of precursor to water rationing that’s all the rage in Sacramento and in some areas such as Santa Cruz, Irvine and Santa Monica.
Here’s how it works: Your local water company, special district or city assigns you and your household a number in gallons — a daily water allocation. Usually, one number applies to maximum indoor water use, i.e. showers, kitchen and bathroom faucets, dishwashers, clothes washers, etc., and an extra allocation is assigned for outdoor use such as lawn irrigation.
Using census records, aerial photography and satellite imagery, an agency can determine a property’s efficient water usage.
At the Irvine Ranch Water District, number of residents, amount of landscaping and even medical needs are factored into a household’s water allocation or water budget.
It will be interesting to see how this is received and how much arguing there might be about the calculations. As the article goes on to note, one popular method is to start charging really high rates for people who exceed their water levels, which in some places are already set at about 60 gallons per person.