This document provides guidelines on alternative drinking water service (ADWS) provision during a crisis.
This document addresses:
a) ADWS principles and methods,
b) ADWS operational planning and implementation.
This document is not applicable to:
1) planned water supply interruptions forming part of drinking water utilities' normal operations,
NOTE However, many of the principles and methods described can be appropriate in such circumstances.
2) drinking water supplied for the ongoing operation of key establishments and facilities during a crisis, such as hospitals, homes for the aged, schools, reception facilities and vital plants,
3) water supplied for industrial, agricultural or commercial purposes,
4) water supplied to temporary settlements such as refugee camps,
5) the development and implementation of a crisis management system for water service, which is covered by ISO 24518 and ISO/TS 24520.