1. General principles of sanitation
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Historically, water drainage in urbanized areas was based on the following principles:
run-off water had to be evacuated to prevent flooding in urbanized and waterproofed areas. It could also be infiltrated on site in less impermeable and less dense areas;
wastewater had to be channeled away from residential areas without stagnating, as the pollutants it contains can cause nuisances or represent a health and epidemiological risk;
wastewater must not be discharged directly into the natural environment (streams, rivers, coastal areas or subsoil through infiltration) without adequate treatment. In addition, wastewater must not infiltrate aquifers or water catchment areas likely to be used to produce drinking water;
treated...
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General principles of sanitation
Type of water to be discharged
Bibliography
Standards and norms
- sanitation facilities – Title I: networks - Fascicule n° 70 -
- sanitation facilities – Title II: Stormwater collection, conveyance and storage facilities - Fascicule n° 70 -
- équipement d´installations de pompage pour réseaux d'évacuation et d'assainissement - Fascicule 81-1 -
- mise en œuvre et essai des branchements et collecteurs d'assainissement. - NF EN 1610 -
- réseaux d'évacuation...
Regulations
European Directive of May 21, 1991 concerning urban waste water treatment.
Arrêté du 22 juin 2007 relatif à la collecte, au transport et au traitement des eaux usées des agglomérations d'assainissement ainsi que à la surveillance de leur fonctionnement et de leur efficacité, et aux dispositifs d'assainissement non collectif recevant une charge brute de pollution organique supérieure à 1,2 kg/j de DBO...
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