PMID: 18200870Jan 19, 2008Paper

Particle-size distribution as indicator for fecal bacteria contamination of drinking water from karst springs

Environmental Science & Technology
Michiel PronkJakob Zopfi

Abstract

Continuous monitoring of particle-size distribution (PSD), total organic carbon (TOC), turbidity, discharge and physicochemical parameters, together with analyses of fecal indicator bacteria, particularly Escherichia coli, made it possible to better understand the processes governing pathogen transport in karst groundwater and to establish PSD as indicator for possible microbial contamination of drinking water from karst springs. In the study area near Yverdon-les-Bains, Switzerland, tracer tests proved connection between a sinking stream draining agricultural land and several springs, 4.8-6.3 km away. Tracing and monitoring results demonstrate that (i) suspended particles (turbidity) in the spring water either originate from remobilization of sediments inside the aquifer (autochthonous) or from the sinking stream and land surface (allochthonous); (ii) allochthonous turbidity coincides with increased E. coli and TOC levels; (iii) PSD makes it possible to distinguish the two types of turbidity; (iv) a relative increase of finer particles (0.9-10 microm) indicates allochthonous turbidity and thus possible fecal contamination. The method permits to optimize water treatment and identify periods when the spring water must be rejecte...Continue Reading

References

Jun 6, 2003·Environmental Science & Technology·Scott A BradfordScott R Yates
Dec 6, 2005·Environmental Science & Technology·Justin D BrookesJason P Antenucci
Feb 3, 2007·Environmental Science & Technology·Maggie A Montgomery, Menachem Elimelech
Mar 3, 2007·Environmental Science & Technology·Jong Ho Ahn, Stanley B Grant

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Citations

Jun 20, 2008·Environmental Monitoring and Assessment·John PotéWalter Wildi
Jan 12, 2013·Environmental Monitoring and Assessment·Ki-Hyun KimJin Hur
Nov 29, 2013·International Journal of Environmental Research and Public Health·Jenni IkonenIlkka T Miettinen
Jun 18, 2015·The Science of the Total Environment·Ferry SchiperskiTraugott Scheytt
May 23, 2009·Ground Water·Michiel PronkFrancxois Zwahlen
Aug 4, 2010·Ground Water·Nadine Goeppert, Nico Goldscheider
Feb 26, 2010·Ground Water·Christoph ButscherPeter Huggenberger
Apr 5, 2016·Scientific Reports·Bo HøjrisMathis Dahlqvist
Dec 4, 2012·Environmental Pollution·Barbara Morasch
Apr 5, 2015·The Science of the Total Environment·S MurphyV O' Flaherty
May 31, 2014·The Science of the Total Environment·Angela Flores RibeiroBarbara Pawlak
May 26, 2017·International Journal of Environmental Research and Public Health·Osvalda De GiglioMaria Teresa Montagna
Jan 1, 2021·Journal of Hazardous Materials·Nadine Goeppert, Nico Goldscheider

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