1992 March – 1992 October: Darwin Rural Area. Pesticides detected: Atrazine, Prometryn, Heptachlor, Carbaryl

Darwin Rural Area Water Quality Survey: Surface and Groundwater 1992 – 1993.
H. Wilson (unpublished)
During the 1991/92 and 1992/93 wet seasons, water quality surveys were conducted for surface and groundwater throughout the Darwin Rural Area. Both shallow and deep aquifers were sampled and all sites were in regions of more intense rural activity 3 sampling events occurred for each of the 10 surface water sites. 2 sampling events occurred for each of the 24 ground water sites. Analyses were conducted for 39 pesticides.
https://www.lrm.nt.gov.au/__data/assets/pdf_file/0017/13850/pesticide-study-appendices.pdf