"...Allison Baker laughed when she won a drawing last year for a Niagara Stealth toilet through a pilot program run by the city of Boulder and the Center for ReSource Conservation, or CRC.

Six months later, Baker is tickled about a free toilet normally priced at more than $250 that uses 0.8 gallons per flush versus the standard 3.5 gallons per flush. "We put it in our hall bathroom for the kids," she says. "We figured they do a lot of flushing." It has so far saved her 5 percent on her water bill."

Read full online story by Rachel Sapin, Special to The Denver Post here.