Water Supply Three water bores have been drilled approximately...

Water Supply
Three water bores have been drilled approximately 4.5 kms from the proposed plant site area and will be sufficient for construction and potable water uses. Water supply for the process plant post commissioning will be sourced from surface water harvested in the project area. The area receives on average over 1 metre of rainfall per year, mostly during the wet season from December through to late April. A raw water storage dam and the tailings storage facility will maintain supply through the dry season.

15 December 2015
NACHU GRAPHITE PROJECT UPDATE

Sounds like they are running a closed loop water system for the plant which will conserve water. As Kingof hell mentioned the water will be harvested from the nearby river (+ rain). I guess a back up source of water to top off the dam could be from the bores?