Global demand for water will outstrip supply by 40 percent in 2030.
Source – The Ripple Effect by Alex Prud'iomme
http://www.alexprudhomme.com/books/the-ripple-effect/

Efficient toilets would save CA more than 130 billion gallons of water every year.
Source – Dr. Peter Gleick, Pacific Institute
http://www.pacinst.org/about_us/staff_board/gleick/

An estimated 3.4 billion people will live in "water-scarce" countries by 2025.
Source - United Nations Water for Life Decade Report
http://www.un.org/waterforlifedecade/pdf/waterforlifebklt-e.pdf

Americans flush away 5.7 billion gallons of clean drinking water every day.
Source – The Big Thirst by Charles Fishman
http://www.thebigthirst.com/the-author/

Just a single flush of a low-flush toilet in the United States – 1.6 gallons – uses 6 liters of drinking water.
Source – The Big Thirst by Charles Fishman
http://www.thebigthirst.com/the-author/