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.

Each chapter within the manual focuses on a unique distribution challenge, how to characterize and respond to such challenges, and recommend best practices to address ongoing issues and optimization strategies. The manual covers a variety of topics such as, corrosion, taste and odor concerns, microbiology, capacity and water age, and more.

M68 includes numerous case studies to better show the applications discussed. The manual also provides a larger resources section where readers can find places for additional expertise.