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This paper provides an overview of the Lafayette Utilities System (LUS) multi-year program to mitigate the impacts of Inflow and Infiltration (I/I) on their wastewater collection system and treatment facilities. The collection system presently contains over 3.5 million L.F. of gravity collection lines and 120 lift stations. Four treatment plants range in size from 1.0 mgd to 7.0 mgd capacity.

The program began in the early 1990's as a typical I/I analysis, Sewer System Evaluation Survey (SSES), and Collection System Rehabilitation Project. It evolved into a comprehensive systems approach which included wet weather flow holding basins and wastewater treatment plant improvements as well. Historical rainfall events and overflow occurances are presented in graphical format.

Document Type: Research Article


Publication date: January 1, 2003

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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