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01-27-15
NEW Added 100 question practice test which shows answers immediately, instead of at the end.
11-10-14
Complete redesign of website to match our Water Distribution Certification website. Also, working on new content to be added soon.

Acre-Foot - A volume of water that covers one acre to a depth of one foot, or 43,560 cubic feet.

The average total home water use for each person in the U.S. is about 50 gallons a day.