A STREAMLINED APPROACH: IMPACTS OF EARLY ACTIONS ON THE ECOLOGICAL RISKS AT THE COPPER BASIN MINING DISTRICT SITE
Impaired water quality in Davis Mill Creek (DMC) poses significant ecological risks to the Ocoee River. Use of a streamlined, risk management approach has made possible the implementation of early remedial actions while on-going investigations continue for a phased approach of long-term remedial actions in upper reaches of the DMC watershed. One of the early actions that was implemented by OXY USA, Inc. and its subsidiary, Glen Springs Holdings, Inc. was to refurbish an existing wastewater treatment plant (WWTP) to treat acid mine drainage and surface runoff from various mining wastes. The refurbished plant began operation in November 2002. Operation of the WWTP has reduced the immediate ecological risks created by contaminant loading from Davis Mill Creek to the Ocoee River. Monitoring results show significant reduction in acidity and metals loadings; as a result there has been a rapid reduction of risks and significant improvement to the ecological health of the Ocoee River.
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Document Type: Research Article
Publication date: 01 January 2004
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