Few people realize that the average person uses about 60 gallons of water each day. Water shortages are already occurring on a regional scale; someday they may become a national problem. Accordingly, this checklist is designed to help house and apartment dwellers determine how efficiently they use water and identify additional ways to save it. Presented are over 60 suggestions for conserving water in such household activities as personal care, laundry, outdoor work, food preparation, and cleaning. (WB)