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30 Days and 30 Nights – A Sewer Collection System Analysis, Solutions Developed, and Lessons Learned

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The Oklahoma City Water Utilities Trust (OCWUT) reconciled several sanitary sewer overflow data sources and performed an informal condition assessment of their wastewater collection system in response to a Request for Information from the U.S. Environmental Protection Agency. Based on the assessment, staff implemented a targeted preventative maintenance program and developed several capital improvement projects for both rehabilitation and replacement and for increasing collection system and treatment capacity. From this process, OCWUT determined that an improved preventative maintenance program was necessary, better organization of the data would provide more accessible data for future analysis and a formalized, electronic method for condition assessment of the collection system would save valuable time and resources. Lastly, OCWUT realized that in-house staff could provide a quick and thorough response on time-constrained regulatory requests due to institutional knowledge of their systems.
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Keywords: Sanitary sewer overflows; collection system; condition assessment; operation and maintenance; regulatory compliance; treatment plants; unpermitted discharges

Document Type: Research Article

Publication date: 2009-01-01

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