The Sixth Edition offers several content updates throughout the book, making it a completely up-to-date academic and professional resource. Updates include new real-world examples, case studies and homework problems.  The following chapters have major new examples, and chapters 10-13 have been redone.  

    Chapter 1,2,3  Revised and Updated
    Chapter 6        New SWMM Example
    Chapter 7        New HEC-RAS Discussion and Unsteady Example
    Chapter 8        New Examples in Groundwater Hydrology
    Chapter 10      Completely Revised 
    Chapter 11      Revised and Includes New VFLO Example
    Chapter 12      Completely Revised with Spotlight on New Flood Policy in U.S. 
    Chapter 13      Completely Revised with New Flood and Drought Case Studies Across America