Dutch Septic Tank

The problem

Developed and designed by AAWS, the Dutch Sceptic Tank (DST) lowers the cost of the construction of a simple latrine especially. it is designed for people living in rural areas and far off island regions. In many cases the major hurdle in obtaining good sanitation are the cost of the materials, the labor and the transportation needed.

The solution

The DST proposes a smart and effective alternative for the present concrete-iron septic tank construction. The DST is designed using strong and sturdy foils to construct a double tank system. Concrete is no longer needed. Using the DST does not pollute the ground water table.

Target groups

Families being aware that good sanitation is essential for a good health. Mostly situated in remote rural- and island regions were transportation of materials, goods and labor is expensive.


The feces are collected in foil chambers, in which it disintegrates and decomposes. After a sufficient retention time the effluent is released into the environment without implications for contamination or deterioration of the ground water table.


  • Reducing the cost of a latrines significantly;
  • Can be easily transported without additional costs;
  • Overall sanitation is increased;
  • Financial hurdle for poor villagers is reduced significantly;
  • Does not pollute the ground water table.


Click here for the brochure.

Dutch septic tank

Dutch septic tank

Dutch septic tank