Septic tank
From The Art and Popular Culture Encyclopedia
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A septic tank is a key component of the septic system, a small-scale sewage treatment system common in areas with no connection to main sewage pipes provided by local governments or private corporations. (Other components, typically mandated and/or restricted by local governments, optionally include pumps, alarms, sand filters, and clarified liquid effluent disposal means such as a septic drain field, ponds, natural stone fiber filter plants or peat moss beds.) Septic systems are a type of On-Site Sewage Facility (OSSF). In North America, approximately 25% of the population relies on septic tanks; this can include suburbs and small towns as well as rural areas (Indianapolis is an example of a large city where many of the city's neighborhoods are still on separate septic systems).In Europe, they are in general limited to rural areas only. Since a septic system requires a drainfield that uses a lot of land area, they are not suitable for densely built cities.
See also
- Blackwater (waste)
- Bioreactor
- Cesspit
- Drain-waste-vent system
- Ecological sanitation
- Effluent sewer Septic Tank Effluent Pumping (STEP)
- Grease interceptor
- Latrine
- Mound system (a type of septic system)
- Outhouse
- Percolation testing (for the capacity of soil to absorb water)
- Pit toilet
- Sanitary sewer
- Sepsis
- Septage
