Humanure
Humanure: Human feces and urine used for agriculture purposes.
http://www.weblife.org/humanure/images/fig2-4.jpg
Fecophobia: Fear of fecal material, especially in regard to the use of human fecal material for agricultural purposes.
Question:
Are you shitting into prefectly good drinking water?
http://www.weblife.org/humanure/images/toilettosink.jpg
http://www.weblife.org/humanure/images/nightsoil.jpg
http://www.weblife.org/humanure/ (the book online)