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Health risk assessment based on pesticide monitoring in Saïss plain (Morocco) groundwater

IWRA 2021 Online Conference One Water, One Health
Theme 2: How can managing water in agriculture contribute to food security and public health?
Author(s): Imane BERNI, Aziza Menouni, Ibrahim El Ghazi, Lode Godderis, Radu-Corneliu Duca, Samir El Jaafari

Imane BERNI1, Aziza Menouni2, Ibrahim El Ghazi, Lode Godderis 2, Radu-Corneliu Duca3, Samir El Jaafari1

1 Cluster of Competency “Health and Environment”, Moulay Ismail University, Meknes, Morocco
2 Environment and Health Unit, Department of Public Health and Primary Care, Katholieke Universiteit Leuven, Leuven, Belgium
3 Unit Environmental Hygiene and Human Biological Monitoring, Department of Health Protection, National Health Laboratory (LNS), Dudelange, Luxembourg



Keyword(s): passive sampler, human health risk, pesticide, groundwater


In many countries, including Morocco, groundwater contamination with pesticides such as globally banned organochlorides (e.g., dichlorodiphenyltrichloroethane (DDT)) and some accredited organophosphates and pyrethroids poses ecological and human health risks. To assess these risks, we herein monitored pesticides in Saïss plain groundwater (Morocco) during the summer of 2017 and the winter of 2018 using polar organic chemical integrative samplers. The two types of passive samplers were deployed in 22 traditional wells for 14–20 days and subjected to solid-phase extraction. The extracts were analyzed by gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry using a multiresidue method, and 27 pesticides were detected in total. In the summer campaign, 22 pesticides with individual concentrations ranging from particularly to that of infants and children. Thus, the monitoring of pesticides in groundwater by passive sampling was effective and could be combined with human health assessment to develop ways of reducing human exposure to pesticides.

IWRA Proceedings - - Admin