Out of the Ashes: water pollution and Lake Macquarie’s ageing coal-fired power stations 

Released in February 2019, Out of the Ashes combines environmental investigations in the field, a review of existing literature and current licencing to examine heavy metal concentrations in the water, sediments and seafood of Lake Macquarie and understand how coal fired power stations contribute to this problem.

Construction of the coal ash dams at Eraring and Vales Point pre-dates NSW’s environmental pollution law, the Protection of the Environment Operations Act 1997 (POEO Act) and current regulation is failing to prevent the accumulation of harmful heavy metals.

Our report identifies key steps for Government and regulators to take to reduce water pollution now and safeguard Lake Macquarie from on contamination from these leaching coal-ash dumps.

As the phased closure of coal-fired power stations rolls out, how we manage the massive volumes of coal ash should be a concern to communities, the construction industries and workers.
Financial and regulatory incentives must encourage environmentally responsible coal ash reuse to fix heavy metal contamination, reduce greenhouse gas emissions and provide new employment opportunities.
Water samples taken near the Vales Point power station were found to contain concentrations of aluminium, iron, and manganese above aquaculture protection guidelines and are likely to be harmful to edible fish, molluscs and crustaceans.
More than 400mt of coal ash is sitting in unlined dumps around Australia.
The most recent NSW Government study warns that cor cadmium, in one week, adults and children should not consume any mud crab, no more than 150grams of eastern king Prawns, and adults should consume no more than 750 grams of king prawns or 15o grams…
Rehabilitation measures have consisted of merely capping dams . . . this kind of rehabilitation will not prevent coal ash leachate migrating into groundwater and Lake Macquarie.
Coal ash is 20% of Australia's total waste stream.
Power station operators must provide financial assurances to guarantee funding for rehabilitation, util the EPAand communities are satisfied that the site is stable and not polluting.

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