The detection of PFAS levels in Narrabri’s town water supply has decreased, the latest testing results released by Narrabri Shire Council show. PFHxS as well as PFOA and PFBS levels were not detected during testing conducted in July.
Detections of PFOS returned a reading of 1ng/l after a spike earlier in the month.
Mitigation measures remain in place after testing in early July showed the Namoi Reservoir slightly above the current guidelines (PFOS level of 9 ng/l – just above the new Australian Drinking Water Guidelines of 8 ng/l).
In line with recommendations from NSW Health, council conducted an investigation into this slight elevation of results, switching off the Tibberena and Killarney bores.
Council will continue to test the water supply monthly and report back to residents.
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