Drought Management Planning, by the American Water Works Association
Water Conservation Committee, AWWA. 1992. Drought Management Planning. American Water Works Association, Denver, Colorado. ISBN 0-89867-627-4. (This publication can be ordered from the American Water Works Association.) This book covers the creation and implementation of a drought management plan. Special emphasis is given to public information and education strategies, and case studies are provided.

Municipal water systems typically incorporate phased responses to drought in response to pre-determined triggers. Examples include:

The City of Tucson (AZ) Water System

Denver Water

Communities and Drought, From Smart Communities Network, a project of the National Center for Appropriate Technologies, based in Butte, Montana. Apparently not updated since 2005 but still contains an excellent collection of links.