We strive to continuously improve water efficiency and reduce our potable water consumption.
As with many industries, water is critical in our day-to-day operations. Rainfall is harvested within the operational catchments of our terminals and stored in our water management system for later use. This stored water is used preferentially for operations and dust management activities.
However, when there is insufficient water available onsite for re-use, we top up our system with water purchased from Hunter Water, a State-owned provider. Water used onsite (including purchased water) is re-captured and re-used four or five times over. Port Waratah’s objectives are to improve our potable water efficiency and reduce the overall volume of potable water used for operational purposes year on year.
How weather affects water use
The challenge in meeting our water use targets is the influence of weather. Our potable water consumption is heavily affected by rainfall, weather conditions and seasonal variations, which impact our process water availability and consumption.
During periods of lower rainfall and warmer temperatures we experience a reduction in rainfall able to be harvested in our water management system. This results in an increase in operational demand for water for dust management, where we require greater volumes of potable water. Port Waratah works collaboratively with Hunter Water to develop and implement Water Efficiency Management Plans (WEMP) for our Terminals. These WEMPs review current consumption trends and identify actions to improve water efficiency, which we continue to implement across the business.
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