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Sewer System Management Plan <br />City of Colton �,, •► <br />General Waste Discharge Requirements (GWDR): Refers to the State Water <br />Resources Control Board Order No. 2006-0003, Statewide General Waste <br />Discharge Requirements for Sanitary Sewer Systems, dated May 2, 2006. <br />Geographical Information System (GIS): Refers to the City's system that is <br />used to capture, store, analyze, and manage geospatial data associated with the <br />City's sanitary sewer system assets. <br />Global Positioning System (GPS): Refers to a handheld unit or computer <br />program that is capable of producing longitude and latitude coordinates <br />necessary to document the location of sanitary sewer overflows. <br />Private Lateral Sewage Discharges: Sewage discharges caused by blockages or <br />other problems within a privately owned lateral <br />Sanitary Sewer Overflow (SSO): A sanitary sewer overflow (SSO) is any <br />overflow, spill, release, discharge or diversion of wastewater from a sanitary sewer <br />system. SSOs include: <br />• Overflows or releases of wastewater that reach waters of the United States; <br />• Overflows or releases of wastewater that do not reach waters of the United <br />States; and <br />• Wastewater backups into buildings and on private property that are caused <br />by blockages or flow conditions in a sanitary sewer, other than a building <br />lateral. Wastewater backups into buildings caused by a blockage or other <br />malfunction of a building lateral that is privately owned is a SSO when <br />sewage is discharged off a private property into streets, storm drains, or <br />waters of the State. <br />Sanitary Sewer System: Any system of pipes, pump stations, sewer lines, etc., <br />used to collect and convey sewage to a treatment plant. Temporary storage and <br />conveyance facilities (such as vaults, temporary piping, construction trenches, wet <br />wells, impoundments, tanks, highlights, etc.) are considered part of the sanitary <br />sewer system, and discharges of sewage to these facilities are not sanitary sewer <br />overflows. <br />Sewage: Shall mean any liquid waste and water borne solid waste resulting from <br />residential, commercial, industrial, or institutional activities or uses. <br />Surface Waters: All waters of the United States as defined in 40 CFR 122.2 such <br />as navigable waters, rivers, streams, lakes, natural ponds, wetlands, etc. SSOs to <br />storm drains tributary to surface waters shall be reported as discharges to surface <br />waters. <br />Ar p�, E-5 June 2009 <br />