Title: Sewers as drainage systems - quantification of groundwater infiltration 
Resource Type: document --> technical publication --> proceedings / conference paper(s) 
Country: EU Projects 
Year of publication: 2004 
Availability: Karpf C. and Krebs P., Sewers as drainage systems - quantification of groundwater infiltration, Proceedings of Novatech 2004, 5th international conference on 'sustainable techniques and strategies in urban water management', Lyon, France, 6-10 June 2004 
Author 1/Producer: Karpf C. 
Other Authors/Producers: Krebs P. 
Author / Producer Type: EC Project 
Report / download web link (=direct link): http://www.insa-lyon.fr/Laboratoires/URGC-HU/apuss/nrl_036_s ...  
Format (e.g. PDF): PDF 
EUGRIS Keyword(s): Water resources and their management -->Water resources and their management Overview
Short description: The infiltration of groundwater into sewer systems reduces the efficiency of the sewer networks and may thereby result in a deterioration of receiving water quality. Besides these widely known impacts of parasite water sewers are serving as drainage systems during wet-weather periods and flood events and could diminish problems of increasing groundwater levels. The “efficiency” of this drainage effect is evaluated in the city of Dresden. The investigations deal with the effects of the Dresden sewer system during and after the flood event in August 2002, when the groundwater level rose to a maximum level since data were recorded. To estimate and predict the drainage effect the hydrological leakage model is calibrated and used. Furthermore, the leakage of sewers has been assessed. 
Link to Project(s): APUSS Assessing infiltration and exfiltration on the performance of urban sewer systems
Submitted By: Dr Stefan Gödeke WhoDoesWhat?      Last update: 14/02/2006

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