Water distribution systems awwa manual m32 third edition manual of water supply practices m32 third edition figure 6 7 example of storage versus production with loss of supply case 3 m32 computer modeling of water distribution systems table of contents. Computer modeling is a water utilitys most powerful tool for managing and operating a water distribution system this 4th edition of m32 computer modeling of water distribution systems describes how to build accurate water distribution system models and use models to manage assets and solve hydraulic and water quality problems the manual discusses how to use models to. Awwa m32 4th edition 2017 computer modeling of water distribution systems the engineering modeling applications committee of the american water works association developed this manual the purpose of this manual is to share the committees collective experience with distribution system modeling to help educate and communicate the benefits of a model to water utilities and water customers . Awwa m32 2012 computer modeling of water distribution systems third edition this manual explains the design and use of computer modeling of water distribution systems. Computer modeling of water distribution systems manual of water supply practices m32 ideal crop marks 30032 12 17 iw wwwawwaorg dedicated to the worlds most important resource awwa sets the standard for water knowledge management and informed public policy awwa members provide solutions to improve public