As well as regular news and features, each issue also includes sections on water utility management and on global issues and initiatives. The magazine is received by every member and nominated representative of the Association, as well as being distributed at trade exhibitions, IWA's many conferences and to subscribers.

Details of Water21's editorial programme can be found here.

Regular features of Water21 include:
News & analysis - reports on the major stories from around the world
Global focus - a regular look at wider issues affecting the water sector
Features - articles with a focus on innovations in technology and management
Projects, products & services - news of the latest developments and commercial offerings
Water Utility 21 - articles relating to water and wastewater utility management
Water Environment 21 - a regular focus on the aquatic environment
Publications - details of selected new releases
Research & development - highlights of recent investigations
Water21nternet - water-related homepages
IWA News - news on the Association's activities, including IWA's Specialist Groups
Events - details of IWA-supported conferences
Diary - listing of forthcoming conferences