I&#x27;d love to know where you are talking about, because everyone I talk to does exactly the opposite. We know we are going to use animal waste, and other compost, to fertilize our garden beds. So we pull our drinking water from upstream of any food production. my family does not use humanure in our systems, but it certainly is done by other people and in other areas.<p>If there really are developing areas who fail in this design principle, they need education on how to design their food production. Holding back a useful tool just because some people might use it incorrectly doesn&#x27;t make sense. But most people who are even somewhat self-sufficient know that the flow of water is a crucial design point.<p>If not composted and used productively, then human waste is just a pollutant. But if you can increase food production and have a productive recycling of materials at the same time, you are killing two birds with one stone.