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Development and Implementation of a Capacity Assurance Program for Charlotte-Mecklenburg Utilities

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In March 2007 Charlotte-Mecklenburg Utilities (CMU) entered into an Administrative Order on Consent (AOC) with the United States Environmental Protection Agency (EPA) region IV. One of the components directed under the AOC was the development of a Capacity Assurance Program (CAP) focused on maintaining adequate capacity within the sewer system for existing flows and proposed connections. The AOC specified that the CAP would provide for adequate treatment capacity at wastewater treatment facilities (WWTF's), adequate transmission capacity for sewage pump stations and force mains, and adequate collection system capacity for gravity sewers. A timeframe was set forth with 12 months for development of the CAP and implementation to occur within two years of the AOC effective date.

CMU developed the CAP and submitted it to the EPA in March 2008 for review with an implementation date of January 1, 2009. As developed, the CAP evaluates the impact of new sewer service connections, or increased flows from existing sewer service connections, to the sewer system to ensure adequate system capacity is available to accept the proposed connection.

Keywords: Administrative Order of Consent (AOC); Capacity Assurance Program (CAP); EPA; Management Operations and Maintenance Program (MOM)

Document Type: Research Article


Publication date: 2011-01-01

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