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Open Access Optimizing Disinfection of Wet Weather Flows Not Receiving Biological Treatment

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Abstract:

Over the last decade substantial research has been conducted to characterize, control and cost-effectively mitigate urban area wet weather bacteria for compliance with CSO, SSO, blending and stormwater policies and regulations. Approaches to disinfecting wastewaters impacted by wet weather flows, including chemical and UV disinfection following multiple levels of non-biological pretreatment, were tested in Atlanta and Columbus, GA, Syracuse, NY and Akron, OH. This paper summarizes the most significant common findings from these studies with transferable applications pertinent to cost-effective inactivation of bacteria. Application of findings to the management of pathogens in other urban area (non-wastewater) watersheds through the use of adaptive technologies including flow control, compressed media filtration and UV disinfection to support measurable improvement objectives under EPA's TMDL program, is also discussed (Columbus, GA).

Keywords: BACTERIA; BMP; COMPRESSED MEDIA FILTRATION; CSO; DISINFECTION; FLOW CONTROL; TMDLS; URBAN AREA; UV; WET WEATHER

Document Type: Research Article

DOI: https://doi.org/10.2175/193317707X224095

Affiliations: 1: Columbus Water Works, Columbus, Georgia, 31902-1600 2: WWETCO, LLC, Atlanta, GA, 30324

Publication date: 2007-07-01

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