Impact of industrial waste water treatment plants on Dutch surface waters and drinking water sources

The Science of the Total Environment
Annemarie P van WezelThomas L Ter Laak

Abstract

Direct industrial discharges of Chemicals of Emerging Concern (CEC) to surface water via industrial wastewater treatment plants (IWTP) gained relatively little attention compared to discharges via municipal sewage water treatment plants. IWTP effluents may however seriously affect surface water quality. Here we modelled direct industrial emissions of all 182 Dutch IWTP from 19 different industrial classes, and derived their impact on Dutch surface water quality and drinking water production. We selected industrial chemicals relevant for drinking water production, however a lack of systematic information on concentrations in IWTP effluents for many chemicals of interest was found. Therefore, we used data from the European Pollutant Release and Transfer Register and data on Dutch IWTP as surrogate. We coupled these to a detailed hydrological model under two extreme river discharge conditions, and compared the predicted and measured concentrations. We derived relative impact factors for the IWTP based on their contribution to concentrations at surface water locations with a drinking water function. In total, a third of the abstracted water for drinking water production is influenced by the IWTP. From all Dutch 182 IWTP, only a lim...Continue Reading

Citations

Dec 10, 2020·Journal of Environmental Management·Joanke van DijkAnnemarie P van Wezel
Nov 20, 2020·The Science of the Total Environment·Dominique M Narain-FordStefan C Dekker

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