An information architecture is a means of mobilizing information to satisfy a set of objectives. This means that an information architecture has a purpose and a focus. It may be as broad as to provide an archive for the preservation of all published materials, such as the university and public library systems, or it may be as narrow as providing decision-support for the water resource management of California. The OWIA addresses the water resource management problem with proven methods, conventional to information sciences community, using modern cyberinfrastructure and computing methods.