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The Water Resource Strategy for the Tiwi Islands, developed by the Tiwi Islands Water Advisory Committee, made up of an NT Government Water Planner and three Tiwi Land Rangers, was signed off by the Minister and the full Tiwi Land Council in 2013. The Strategy identifies the freshwater resource on the Tiwi Islands and sets out a framework for its sustainable management. Results to date continue to show that the freshwater resource is being used well within sustainable limits.

During 2017/18 a safer and more sustainable water supply was identified for Pirlangimpi community, three bore sites were developed in 2019 financial year. One bore site was developed at Pickertaramoor on land leased by the Land Council.