Author： Yarlott Marc W. Johnson Ryan
Publisher： Water Environment Federation
ISSN： 1938-6478
Source： Proceedings of the Water Environment Federation, Vol.2010, Iss.1, 2010-01, pp. : 207-217
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Abstract
Beginning in 2007, California required reporting of all Sanitary Sewer Overflows (SSO) as part of the state's adoption of the EPA's proposed Capacity, Management, Operation and Maintenance (CMOM) guidelines for Municipal Sanitary Sewer Collection Systems. In 2005, prior to the regulation, Veolia Water North America signed an operating services contract requiring conformance to CMOM for the City of Richmond, California which included tracking and reporting every SSO.Since Veolia Water implemented its applied asset management program in 2005, Richmond has experienced significant reduction in SSOs. This is quite a change from the 50 annual SSOs reported in 2005. Under Veolia Water's stewardship, the number was reduced by nearly 80% in 2006, reaching 84% by 2007.Richmond achieved these results despite severe economic limitations because of Veolia Water's implementation of a four-stage asset management program for developing a Sewer System Management Plan (SSMP) in compliance with CMOM. This four-stage plan resulted in rigorously prioritized repair/replacement, and capital investment plans that focused on highly leveraged repairs to make the difference in the investment strategy.The paper will cover the steps that were taken to achieve these results, including:
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