At this time, the amount was set to 42 gallons.
Under the rules, average daily use has dropped to 274 million gallons, officials said.
These jars range from one cup to five gallons in size.
But it rose to 183 million gallons the following year.
Production there dropped to 310,000 gallons, down 46 percent from 1992.
That comes out to more than two million gallons annually.
Top up the level in the bucket to five gallons with cold water.
Production there rose to 435,000 gallons, 40 percent more than in 1993, the service said.
That works out to more than five gallons of spirits a year for every American.
The system can deliver up to 50,000,000 gallons a day.