| Contents Notes |
"Distribution systems represent the last barrier available to water systems to maintain safe and high-quality water, and this manual provides a 'first stop' for common distribution system water quality challenges. M68 offers practical guidance and best management practices for maintaining and improving distribution system water quality. It will help drinking water utilities and professionals understand the factors that affect water quality, ways to address them and best practices for optimizing distribution system water quality."--Page [4] of cover. Capacity and water age -- Understanding and managing biofilm, coliform occurrence, and the microbial community -- Infrastructure integrity and water quality -- Taste, odor, and appearance – Nitrification -- Corrosion control -- Disinfectants and disinfection by-products -- Management of low pressure -- Cross-connection control and backflow prevention -- Security issues -- Appendix A. Techniques to characterize microbial communities -- Appendix B. Summary of flushing techniques, likely water quality responses, and potential applications -- Appendix C. Methods for identifying and monitoring water quality aesthetics in distribution systems -- Appendix D. Nitrification monitoring plan. |
