PERFORMANCE EVALUATION FOR A MATURE CSO CONTROL PROGRAM
Abstract:The City began addressing CSO control in the late 1970s and constructed the Shockoe Creek retention basin system in the early 1980s. In the mid-1980s the City embarked on a comprehensive study that addressed the entire CSO system and selected a long-term control plan (LTCP) that provides controls for each CSO. The City has completed Phase I and is currently constructing the last capital project under Phase II of the LTCP. The City has entered into a new Special Order agreement with the Virginia Department of Environmental Quality (DEQ) for evaluation of the installed facilities and re-evaluation of the LTCP for conformance with the United States Environmental Protection Agency (USEPA) National CSO Control Policy.
The City of Richmond has identified control measures for implementation under each of the Nine Minimum Controls (NMC) identified in the United State's Environmental Protection Agency's (USEPA) CSO Control Policy., which have already been implemented by the City for the Combined Sewer System (CSS).
The comprehensive study that the City conducted in the mid-1980s was done before the development and promulgation of the United States Environmental Protection Agency's (USEPA) CSO Policy. However, the work included most of the elements that are in the CSO Policy. In this regard, the City has moved ahead well in advance of the national focus on CSO control, and its implementation program is a premier example of local initiative and commitment to improving water quality and public benefits for the James River.
Document Type: Research Article
Publication date: January 1, 2000
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