AWWA ACE61626

This slide presentation outlines information on an effort by the San Francisco Public Utilities Commission (SFPUC) to change its residual disinfectant from free chlorine to chloramine to ensure Disinfectant/Disinfection Byproducts Rule is consistently met (reduce THMs). The conversion was initiated on February 2, 2004, and would effect 2.4 million individual customers & businesses. Topics covered in the presentation include: SFPUC system overview; outreach and coordination approach; technical training; public education and outreach; and, communications before and during startup.