There are two common misconceptions about septic tanks, 1. Septic tanks are an acceptable sewage treatment solution, 2. Septic tanks are not supposed to overflow. This article illustrates what happens inside a septic tank, what should happen after the septic tank and appropriate effluent standards to be aiming for.

Future Arc
Down To Earth Matters: Environmentally Responsible Sewage Treatments
The following article appeared in the 2011 1st Quarter edition of Futur Arc magazine
By Sarah Greenlees

You will recall that we have been building a biogas digester at Camp Tinangol with Camps International. Reasons for the failure at Tinangol are due perhaps not surprisingly to poor workmanship. The body of the digester was not watertight and the fixed dome was not air tight.

By Rory View original post on the Camps International Project Blog Following on from my last post about the Bio Gas collector (Human waste is where its at), I want to now run you through our progress to date. Before I do that below is a sketch drawing of whats involved in the construction. Basically [...]

It’s true – human waste is where its at! Its the future you know – dont need any of this extracting gas and oil from the centre of the earth with all its associated detrimental environmental effects – just use what you flush away every day.