[Animats]

For how the US Army does this, see Field Manual 3-34-471, "Plumbing, Pipe Fitting, and Sewerage", especially the sections on "Field Expedient Systems."[1] The Army has been building camps for a while.

[1] https://www.constructionknowledge.net/public_domain_document...

[monaelkass]

Good information... But Our project is based on a sewage network for a standard camp.