AWWA ACE68858

This powerpoint presentation presents information on contamination in the distribution system. Distribution system microbiology and factors related to regrowth are presented, along with the affect of water treatment on AOC levels, impact of pipe material on microbial communities, impact of pipe surface on disinfection of biofilm bacteria, model for monochloramine disinfection of biofilm bacteria, model for free chlorine disinfection of biofilm bacteria, pressure surges as a potential contamination route, coliphage as indicators of distribution system integrity, and strategy for managing distribution system integrity. Includes tables, figures.