Separation, total or partial A method for controlling combined sewer overflow whereby the combined sewer is separated into both a sanitary sewer and a storm drain, as is the practice in new development. Separation may be total, in which case no stormwater is diverted to the sanitary sewer, or it may be partial, involving only the removal of runoff from streets and parking lots from the sanitary system. Sewage Total organic waste and wastewater generated by residential and commercial establishments. Sewer A channel or conduit that carries wastewater or stormwater runoff from the source to a treatment plant or receiving stream. Sanitary sewers carry household, industrial, and commercial wastewater.
Storm sewers carry runoff from rain or snow.
Combined sewers carry both kinds of water. As part of this process, environmental impacts are documented and opportunities for public comment are provided. Stormwater Water that is generated by rainfall and is often routed into drain systems in order to prevent flooding. Suspended solids Small particles of organic or inorganic materials that float on the surface of, or are suspended in, sewage or other liquids and which cloud the water. The term may include sand, mud, and clay particles as well as waste materials.