This booklet seeks to suggest ways in which funds can be better used for making safe water available to the poor by illustrating how drilling costs can be reduced without compromising water quality, water quantity, or the productive life of the borehole.
WURZEL, P. (2001): Drilling Boreholes for Handpumps. (= Working Papers on Water Supply and Environmental Sanitation , 2 ). St. Gallen: Swiss Centre for Development Cooperation in Technology and Management (SKAT) URL [Accessed: 11.03.2019] PDF