This topic is Very important to the Prepper...
If there should come a time when we lose electricity and/or municipal water sources, do you have a plan in place to deal with human excrement?
I'll point out that lack of basic hygiene was what killed more soldiers than enemy fire, in past wars...
So, the author goes over some basic truths about creating your own latrines and handling solid and liquid waste. You may already know all this stuff, but it never hurts to go over it again...
http://prepperswill.com/waste-disposal-and-latrine-building-off-the-grid/