Water for the World: Constructing, Operating and Maintaining Sumps, Soakage Pits, and Soakage Trenches.
Sumps, soakage pits, and soakage trenches receive washwater or effluent from an aqua privy and allow it to soak safely into the ground. This technical manual provides step-by-step instructions for constructing, operating and maintaining sumps, soakage pits, and soakage trenches.