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  2. Sanitation

Sanitation

Separate sewer system

Updated on 13/07/2018
Définition
Sens technique

A system separating the collecting of domestic sewage in a sewer system and stormwater in another. The separate sewer system has the advantage of avoiding the risk of sewage overflowing into the environment when it rains. It allows better control of the pollution

Source
According to IOWater

Septic tank

Updated on 13/07/2018
Définition
Sens commun
Structure for on-site sanitation of individual dwellings. The watertight septic tank receives wastewater (kitchen, bathroom) and black water (toilet). It ensures, by anaerobic fermentation (with no oxygen), an early treatment that will continue into the soil by the disposal bed that consists of a network of drains.
Source
According to Adour-Garonne Water Agency

Sewer

Updated on 19/06/2018
Définition
Sens commun
Waterproof underground pipe that collects wastewater from an urban area and evacuates it to a treatment plant before its discharge into the natural environment. The term "direct to sewer" is false: not everything can be discharged into the sewers (solvents, white spirit, etc) at the risk of disrupting the orderly operation of the wastewater treatment plant.
Source
According to Adour-Garonne Water Agency

Collecting rate

Updated on 13/07/2018
Définition
Sens technique

Amount of untreated pollution that reaches the entrance to the wastewater treatment plant. It is calculated by the ratio between the pollution entering the plant and untreated pollution.

Source
According to Poitou-Charentes Regional Council

Separated collecting

Updated on 19/06/2018
Définition
Sens technique

Collecting of separated domestic sewage in a system and stormwater in another. Separated collection has the advantage of avoiding the risk of sewage overflow into the environment when it rains. It allows better control of the pollution flow and concentration and better adapting the capacity of the wastewater treatment plants.

Source
According to Poitou-Charentes Regional Council

Filtration plant

Updated on 13/07/2018
Définition
Sens commun
All equipment for treating and cleaning polluted water.
Source
According to Kristian Benoit (naturalist)

Sanitation

Updated on 13/07/2018
Définition
Sens commun
All structures built by man to channel rainwater and wastewater within a city. Most of these structures are pipelines/sewers connected to each other underground. The sewer system is one of the elements constituting the sewerage system.
Source