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.
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