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THE DISTRICT OF COLUMBIA CSO LONG TERM CONTROL PLAN: SOME NON-TECHNICAL CHALLENGES

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Abstract:

One third of the District of Columbia's approximately 12,478 acres is served by a combined sewer system. It's construction started in the 1870s, and stopped in early 1900s, when a policy to construct separate sanitary and storm sewer systems was adopted for the rest of the city. Adverse impact of CSO on the receiving waters was recognized early on, and many attempts have been made to address this, and some partial solutions were implemented. Finally in 1998, the D.C. Water and Sewer Authority undertook development of the CSO Long Term Control Plan (LTCP). In doing so, several critical water quality policy & regulatory issues had to be resolved working with the regulatory agencies, environmental groups and other interested parties. The result is a plan that will reduce CSO by 96% citywide and by 98% to the Anacostia River, the receiving water most impacted by CSO.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864705783813719

Publication date: January 1, 2005

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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 These proceedings are not peer reviewed.

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