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  2. Effluent sewer - Wikipedia

    en.wikipedia.org/wiki/Effluent_sewer

    If there is a suitable septic tank in place, pumping the effluent from the tank is the lowest cost option for initial costs. Whether the septic tank is the lowest cost option over time depends on the cost of electricity in the area, how often the tank must be emptied and how much it costs to have the solids pumped out of the tank.

  3. Septic tank - Wikipedia

    en.wikipedia.org/wiki/Septic_tank

    When a septic tank is emptied, the accumulated sludge (septage, also known as fecal sludge [8]) is pumped out of the tank by a vacuum truck. How often the septic tank must be emptied depends on the volume of the tank relative to the input of solids, the amount of indigestible solids, and the ambient temperature (because anaerobic digestion ...

  4. Onsite sewage facility - Wikipedia

    en.wikipedia.org/wiki/Onsite_sewage_facility

    In the 1996 Clean Water Needs Survey (USEPA, 1996b), states and tribes also identified more than 500 communities as having failed septic systems that have caused public health problems. The discharge of partially treated sewage from malfunctioning onsite systems was identified as a principal or contributing source of degradation in 32 percent ...

  5. Grinder pump - Wikipedia

    en.wikipedia.org/wiki/Grinder_pump

    The grinder pump “station” consists of the pump, a tank, and an alarm panel. A pump for household use is usually 1 hp, 1.5 hp or 2 hp. A cutting mechanism macerates waste and grinds items that are not normally found in sewage, but may get flushed down the toilet. The pump has a level sensor either built into the pump, called “sensing ...

  6. Septic drain field - Wikipedia

    en.wikipedia.org/wiki/Septic_drain_field

    A septic drain field, a septic tank, and associated piping compose a septic system. The drain field typically consists of an arrangement of trenches containing perforated pipes and porous material (often gravel ) covered by a layer of soil to prevent animals (and surface runoff ) from reaching the wastewater distributed within those trenches. [ 1 ]

  7. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    This article needs additional citations for verification. ... The main drawback is the limited pumping distance that cannot exceed 75 meters. ... e.g., septic tank.