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Water 2019, 11(2), 302; https://doi.org/10.3390/w11020302

Water Quality Changes during Riverbank Filtration in Budapest, Hungary

1
Budapest Waterworks Ltd, Budapest H-1138, Hungary
2
Division of Water Sciences, University of Applied Sciences Dresden, D-01069 Dresden, Germany
*
Author to whom correspondence should be addressed.
Received: 19 October 2018 / Revised: 31 January 2019 / Accepted: 6 February 2019 / Published: 11 February 2019
(This article belongs to the Special Issue Efficiency of Bank Filtration and Post-Treatment)
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Abstract

The paper gives an overview on the changes in water quality during riverbank filtration (RBF) in Budapest. As water from the Danube River is of high quality, no problems occur during regular operation of RBF systems. Additionally, water quality improved through the past three decades due to the implementation of communal wastewater treatment plants and the decline of extensive use of artificial fertilizers in agriculture. Algae counts are used as tracer indicators to identify input of surface water into wells and to make decisions regarding shutdowns during floods. RBF systems have a high buffering capacity and resistance against accidental spills of contaminants in the river, which was proven during the red mud spill in October 2010. The removal rate of microorganisms was between 1.5 log and 3.5 log efficiency and is in the same order as for other RBF sites worldwide. View Full-Text
Keywords: riverbank filtration; water quality; organic carbon; nitrate; heavy metals; microorganisms riverbank filtration; water quality; organic carbon; nitrate; heavy metals; microorganisms
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Nagy-Kovács, Z.; Davidesz, J.; Czihat-Mártonné, K.; Till, G.; Fleit, E.; Grischek, T. Water Quality Changes during Riverbank Filtration in Budapest, Hungary. Water 2019, 11, 302.

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