A Model Of Water Quality In A Coal Mine In The
Western Blue Mountains Of NSW, Australia
Author(s)
S. Riley, C. McQuade & D. Cohen
Abstract
Metal contamination of sediments can be an issue for mine sites discharging
water. Water sampling of receiving waters is frequently undertaken, but
examination of sediment is less common. This paper reports on a study of the
water quality of an underground long-wall mine in the western Blue Mountains
Coal district of New South Wales. Clarence Colliery is located at the headwaters
of the Wollangambe River, N.S.W, and discharge flows through the world
heritage listed area of the Blue Mountains and Wollemi National Park. The
impact of the discharge of treated mine water on the Wollangambe River,
through analysis of sediment metal concentrations, is quantified and possible
sources and causes of acid mine drainage within the mine assessed.
Keywords: coal mining, mine water management, water quality.
1 Introduction
Water released from the Clarence Colliery site enters the Wollangambe River
(Fig 1). The environment could be adversely impacted if the quality of water
released from the Colliery is not as good or better than the condition of the
surrounding environment. Waters that may be quite safely discharged into the
surrounding environment at a particular site may present a high risk of having
polluting effects if discharged into another environment. The interaction of
discharged waters with the surrounding environment can be difficult to predict
and measure.
The concentration of metal ions in the sediment of a river is often much
higher than experienced in the water column. This is due to the ongoing
Keywords
coal mining, mine water management, water quality.
Related Book
Other papers in this volume
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