“…When sprayed on crops, a fraction of applied pesticides may reach surface and/or groundwater through runoff, drainage or drift, potentially altering aquatic ecosystems health and drinking water quality (Schäfer et al, 2011). A number of recent studies have, indeed, revealed the presence of a variety of pesticide residues in fish, surface waters, groundwater, sediments, soils and rainwater of the Pampa region (Peruzzo et al, 2008, Aparicio et al, 2013, Bonansea et al, 2013, De Gerónimo et al, 2014, Lupi et al, 2015, Hunt et al, 2016, Ronco et al, 2016, Etchegoyen et al, 2017, Pérez et al, 2017, MacLoughlin et al, 2017, Primost et al, 2017, Brodeur et al, 2017, Castro Berman et al, 2018, Alonso et al, 2018.…”