Territory Stories

Tiwi Islands Water Resource Strategy : April 2012



Tiwi Islands Water Resource Strategy : April 2012


Northern Territory, Department of Natural Resources, Environment, The Arts and Sport. Water Resources Division.Water Resources Branch


E-Publications; E-Books; PublicationNT; Technical Report ; 21/2012




Tiwi Islands


The Tiwi Islands Water Resource Strategy provides a framework for how the fresh water resources of the Tiwi Islands will be used and managed over the next five years (2012–2016). It aims to ensure long term sustainability of the resource, while also providing a basis for decision making regarding the use and management of fresh water on the Tiwi Islands.


Made available by via Publications (Legal Deposit) Act 2004 (NT).

Table of contents

Introduction -- Context -- Strategy outcomes -- Rules for management of ground and surface water -- Monitoring and review of the Strategy -- Implementing the Strategy -- More information -- References




water resource; strategy

Publisher name

Northern Territory Government

Place of publication



Technical Report ; 21/2012


27 pages : colour illustrations and maps ; 30 cm

File type





Attribution International 4.0 (CC BY 4.0)

Copyright owner

Northern Territory Government



Parent handle


Citation address


Page content

Tiwi Islands Water Resource Strategy6 Surface water management For the purpose of understanding surface water flows and aquifer recharge, the Tiwi Islands have been divided into 25 sub catchments, with Bathurst Island consisting of 9 and Melville Islands consisting of 16. Within these catchments, stream flows are dependent on rainfall during the wet season and spring flow from the shallow aquifer drainage during the dry season. Community water supply for Pirlangimpi, which utilises surface water extraction from Blue Water Creek, is dependent upon annual rainfall to maintain stream flow all year round. Current extraction rates of surface water in catchment 24 (Pirlangimpi) have been provided by Power and Water Corporation, and are shown in Table 3. These results show the amount of water extracted from Blue Water Creek during the period July 2009 to June 2010. Pirlangimpi July 09 Aug 09 Sep 09 Oct 09 Nov 09 Dec 09 Jan 10 Feb 10 Mar 10 Apr 10 May 10 Jun 10 (ML) 22.592 24.889 21.077 23.511 20.120 9.513 12.609 8.452 7.611 12.118 10.887 13.494 Table 3: Monthly extraction in megalitres (ML) Blue Water Creek Figure 2: Tiwi Island catchments and annual rainfall zones

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