Chloraminated Distribution System Optimization Development

During the summer of 2015, members of the Optimization Team piloted two distribution system comprehensive performance evaluations (DS CPE) at chloraminated water systems. The first was conducted in Archdale, NC, in partnership with the North Carolina Department of Environment and Natural Resources. The second was in Greenville, PA, in partnership with the Pennsylvania Department of Environmental Protection. One system had very stable influent water quality that they were able to maintain throughout their system, while the other system was challenged with very unstable influent water quality. Piloting the approach at two very different systems validated that the tool could be successfully applied to a variety of system, ranging from those nearly optimized to those nearly out of compliance. The team will next be developing approaches to address water quality concerns through a technical-assistance or operator training project. (Matthew Alexander, & Alison Dugan, US EPA, TSC)

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