MP Taylor, KA Hudson-Edwards
This article examines the storage, transfer and cycling of metals within water, soil and sediment systems in and around Mount Isa Queensland, Australia. The impacts and risks arising from agricultural activities, Mount Isa mine ore extraction, sewage treatment releases, and urban runoff on the downstream Leichhardt River and associated drinking water supplies are considered. The ephemeral Leichhardt River bisects the City and the Mine and drains downstream to Lake Moondarra where the City’s water is captured and stored. During the dry season, the channel is characterised by numerous pools that act as storage zones for sediment and water-soluble metals as well as urban and agriculturally derived pathogens. Our results show that sediment and water quality within the Leichhardt River adjacent to and downstream of the mine frequently exceed Australian government sediment guidelines with average values of Cu-1550; Pb-510 and Zn-470 ppm found adjacent to the footprint of the mine. Dry season analysis of water-soluble Cu, Pb and Zn concentrations within pools showed that Australian government low trigger guidelines are exceeded in 100; 56 and 100 % of cases, respectively. The pathogen content of water stored in remnant pools also exceeded acceptable guidelines with maximum faecal coliform densities of 220 CFU/100mL and Enterococcus values of 900 orgs/100mL.
@article{b6ddaa0d-bd1e-4fce-b173-cdfd4de13021,
title={IDENTIFYING AND MANAGING CONTAMINANTS IN DRINKING WATER SYSTEMS: THE LEICHHARDT RIVER CATCHMENT, MOUNT ISA, QUEENSLAND},
author={MP Taylor and KA Hudson-Edwards},
year={2007},
language={en}
}TY - JOUR TI - IDENTIFYING AND MANAGING CONTAMINANTS IN DRINKING WATER SYSTEMS: THE LEICHHARDT RIVER CATCHMENT, MOUNT ISA, QUEENSLAND AU - MP Taylor AU - KA Hudson-Edwards PY - 2007 LA - en ER -
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