The chemicals were found at one of the three sites where passive water samplers were used to test a water way near the Sunland Fish hatchery, reports BYM News. The positive result was returned from two samplers in the one location where Cooloothin Creek enters Lake Cootharaba.
Accoring to BYM News, chemicals found include Carbendazim at 0.4 of a nanogramme per litre, Atrazine at 9.65 nanogrammes per litre, and Metolachlor at 14.75 nanogrammes per litre.
A nanogramme is one billionth of a gramme. For Carbendazim the level is roughly equivalent to a teaspoon of sugar dissolved in a litre of water - then divided by 2,500 million.
Minister for Primary Industries, Fisheries and Rural and Regional Queensland Tim Mulherin said: "I'm advised that the levels of chemicals detected were extremely low, are not a risk to human health, and are well within relevant guidelines for such a setting.
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