Ian A. Wright, Anna Christie
The central objective of this study was to investigate metals accumulating in water at the bottom of roof-harvested drinking water tanks in rural inland NSW, located from 220 km west to 420 km northwest of Sydney. Two of three study areas contained mining operations. The Narrabri study area contained five coal mines, while the Cadia study area had a large gold and copper mine. A third region, Mendooran, had no mines. In this study, turbidity, pH, salinity, and the total concentration of 15 metals were measured in water tank samples. Four metals—cadmium, lead, nickel, and manganese—and arsenic from the bottom of tanks often exceeded Australian Drinking Water Guidelines. Of drinking water samples, 90% exceeded lead guidelines (<10 µg L−1), with 54% exceeding by 100 times, and 3.6% of samples exceeding lead guidelines by 1000 times. Contamination was generally greater in Cadia area tanks, suggesting that metal-enriched mine particulate emissions contribute through fallout onto roofs used to harvest drinking water. Improved environmental monitoring and governance to address metal-contaminated dust emissions from mines and regular cleaning of drinking water tanks are needed.
@article{ed3e50cd-8ff6-4b1e-9f5b-de3c85bb6ef0,
title={Accumulation of Metal Contaminants in Rural Roof H},
author={Ian A. Wright and Anna Christie},
year={2026},
language={en}
}TY - JOUR TI - Accumulation of Metal Contaminants in Rural Roof H AU - Ian A. Wright AU - Anna Christie PY - 2026 LA - en ER -
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