REVEALED: Pesticide levels in water tanks
RESULTS are in from a study into the levels of pesticide located in rainwater tanks near intensive plant agriculture.
The study was undertaken in response to community concerns over the safety of drinking water from their rainwater tanks.
In response to the results Coffs Harbour City Council will request that all NSW State agencies that oversee pesticide use or its impacts undertake further research and review regulations.
Results indicate that off-site pesticide movement is occurring and the report recommends that further studies occur to investigate the source of the pesticides.
Water samples were taken from 23 rainwater tanks with a total of 71 samples tested. Pesticides were detected in 10 of the 71 samples, but the levels were below the Australian Drinking Water Guidelines values, so the water was considered safe.
Council, in collaboration with NSW Health, conducted the study from November 2017 until June 2019.
The study's aim was to establish whether pesticides were detectable in drinking water tanks.
Where pesticides were detected, the Environmental Protection Agency (EPA) was notified as the agency responsible for regulating pesticides.
The study detected six different agricultural pesticides in 14 per cent of rainwater tank samples across six different sites.
Results showed that all levels of detected pesticides were below the Australian Drinking Water Guideline levels, so all water tested was considered safe for human consumption.
The study is available for viewing on Council's website at: www.coffsharbour.nsw.gov.au/RTT