WHO Technical Note for Emergencies 6: Rehabilitating water treatment works after an emergency

In urban areas, the population may be entirely reliant on the public water supply system for their drinking water. Modern water treatment works rely on the inputs of skilled operators as well as supplies of chemicals, electricity and machinery. A disaster can cause extensive damage to the works leading to a reduced or even a total loss of output.
 
This techical notes identifies the first steps to take towards rehabilitating a water treatment works after an emergency.

Contents:

Steps of rehabilitation

Assess the situation

Deciding what to do first

Pumps and power

Works operation

Public information