Technical notes on drinking-water, sanitation and hygiene in emergencies - 2nd edition

from World Health Organization, Loughborough University
Published on 31 Jul 2013 View Original

Flooding, earthquakes, civil unrest and other natural and man-made disasters often cause damage to hand-dug wells. This technical note sets out the actions needed to repair and rehabilitate a hand-dug well so that it can be returned to its former condition. The emergency repair and rehabilitation measures proposed are temporary and should be followed by measures for permanent rehabilitation.

1 Cleaning hand dug wells
2 Cleaning and rehabilitating boreholes
3 Cleaning and disinfecting water storage tanks and tankers
4 Rehabilitating small-scale piped water distribution systems
5 Emergency treatment of drinking-water at the point of use
6 Rehabilitating water treatment works after an emergency
7 Solid waste management in emergencies
8 Disposal of dead bodies in emergency conditions
9 How much water is needed in emergencies
10 Hygiene promotion in emergencies
11 Measuring chlorine levels in water supplies
12 Delivering safe water by tanker
13 Planning for excreta disposal in emergencies
14 Technical options for excreta disposal in emergencies 15 Cleaning wells after seawater flooding