Water saving latrine technology

Q: I am an engineer looking into a few toilet bowl designs that would efficiently use water for simple pit latrine with direct pit beneath the bowl, to be implemented in rural areas. The whole purpose of the water is to prevent odor from rising, so the design that I come out with is simple just to satisfy this.
Engineers Without Borders

Answer:
(by Cor Dietvorst). You can find designs for water-seal pour-flush latrines in:

Mara, D.D. (1985). The design of pour-flush latrines. (TAG technical note; no. 15). Washington, DC, USA, World Bank.

Pickford, J.A. and Shaw, R. Latrine slabs and seats.

For general information on low-cost sanitation see:

WASTE ... [et al.](2006). Smart sanitation solutions : examples of innovative, low-cost technologies for toilets, collection, transportation, treatment and use of sanitation products. Delft, The Netherlands, Netherlands Water Partnership (NWP).

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