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Development and Implementation of FOG and Root Control Programs in the City of Baltimore, MD

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Abstract:

Grease and roots cause most back-ups and overflows in collection systems. Municipalities often have outdated plumbing codes and sewer regulations that were not intended to control the discharge of grease into the sanitary sewer. Enforcement of existing regulations is impaired by the lack of staff and resources. Frequently, root infested sewers are located in isolated, heavily wooded right of ways, with limited access. Baltimore evaluated available products and services, and selected grease and root-control chemicals that best suited for its collection system and treatment facilities. The City installed the necessary grease application equipment in six of the City's Jet-Vac Trucks. The City evaluated work orders related to grease and roots, identified areas with severe problems and developed Field Books for areas with severe problems using GIS. To date, the City has experienced 47% and 23% reduction in grease and root related work orders respectively.

Keywords: Collection System Operation and Maintenance; Consent Decree; FOG Program; GIS Application; Root Control Program; Sanitary Sewer Overflow

Document Type: Research Article

DOI: https://doi.org/10.2175/193864709793956473

Publication date: 2009-01-01

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