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| Murrumbidgee Regulated River Water Sharing Plan | |
|---|---|
| Name | Murrumbidgee Regulated River Water Sharing Plan |
| Jurisdiction | New South Wales |
| River | Murrumbidgee River |
| Authority | New South Wales Office of Water |
| Status | Active |
Murrumbidgee Regulated River Water Sharing Plan
The Murrumbidgee Regulated River Water Sharing Plan is a statutory water allocation framework for the Murrumbidgee River catchment in New South Wales that sets rules for entitlements, allocations and environmental flows. It interfaces with the Water Management Act 2000 (New South Wales), the Murray–Darling Basin Plan, and regional instruments administered by the WaterNSW, NSW Department of Planning and Environment, and the Murrumbidgee CMA. The Plan balances competing demands from irrigators, municipalities, and Indigenous stakeholders such as Wiradjuri groups while contributing to basin-wide objectives of the Commonwealth Environmental Water Holder and the Murray–Darling Basin Authority.
The Plan was developed in response to legislative drivers including the Water Management Act 2000 (New South Wales), the National Water Initiative, and the Murray–Darling Basin Agreement to provide statutory certainty for water access rights among holders of general security, high security and town water licences. It aims to implement sustainable yield principles promoted by the Productivity Commission (Australia), meet environmental obligations under the Commonwealth Water Act 2007, and reduce conflict exemplified in disputes like the Capper Review and controversies surrounding the 2007–2008 Australian drought. The Plan also operationalises outcomes from regional plans such as those produced by the Stockman Committee and guidance from the CSIRO on river system modelling.
The Plan covers the regulated Murrumbidgee system upstream and downstream of key storages including Burrinjuck Dam and Blowering Dam, extending across the Riverina and parts of the Snowy Mountains and Riverina Plains. Hydrological inputs are influenced by the Snowy Mountains Scheme and tributaries such as the Lachlan River and Gudgenby River catchments, while downstream connectivity links to the Murray River. Flow regimes are described using gauging stations like Wagga Wagga and Hay, New South Wales, with models calibrated using datasets from Bureau of Meteorology (Australia), CSIRO, and historical records from the Murrumbidgee Irrigation Area.
The Plan specifies volumetric allocations across entitlement classes including high security, general security, conveyance, and town water licences, establishing rules for seasonal determinations, carryover, and trade within regulated works. It prescribes operational constraints tied to storage levels at Burrinjuck Dam and Blowering Dam, priority of access hierarchies, and provisions for temporary water trading governed by the WaterNSW registers and the Water Market Operator (NSW). The Plan incorporates rules for environmental releases coordinated with the Commonwealth Environmental Water Holder and sets thresholds for critical human water needs linked to suppliers such as Sydney Water and regional councils including Wagga Wagga City Council.
Environmental water provisions allocate water for riparian habitats, wetlands such as Murrumbidgee Wetlands, and threatened species including the Southern Bell Frog and Australian Lungfish where relevant, aligning with recovery plans under the Environment Protection and Biodiversity Conservation Act 1999. Cultural water recognition includes consultation mechanisms with Wiradjuri Traditional Owners and Indigenous corporations like Yass Valley Local Aboriginal Land Council to integrate cultural flows, Protect sites of significance recorded with the NSW Aboriginal Land Council, and support cultural water use projects funded by programs administered by the Commonwealth Environmental Water Holder and the Murray–Darling Basin Authority.
Governance is led by the NSW Department of Planning and Environment in coordination with the Murrumbidgee Catchment Management Authority, WaterNSW, and the Murray–Darling Basin Authority for compliance with the Murray–Darling Basin Plan. Decision-making processes include water resource assessments by the Bureau of Meteorology (Australia), stakeholder consultations with irrigation companies such as the Murrumbidgee Irrigation Limited, and statutory reviews mandated by the Water Management Act 2000 (New South Wales). The Plan establishes advisory arrangements involving regional councils like Lockhart Shire Council and research partners including the University of Canberra and Charles Sturt University.
Implementation relies on telemetry and gauging networks operated by WaterNSW and monitoring programs run by the Murrumbidgee CMA and the NSW Environment Protection Authority. Compliance and enforcement employ licensing audits, seasonal determination publications, and penalty provisions under the Water Management Act 2000 (New South Wales); dispute resolution may involve administrative review by the NSW Civil and Administrative Tribunal or referral to the Commonwealth Ombudsman in cross-jurisdictional matters. Adaptive management draws on scientific review cycles, hydrological modelling from CSIRO, and international best practice as reflected in the Ramsar Convention where wetland values are implicated.
The Plan has influenced agricultural productivity across the Murrumbidgee Irrigation Area, affecting commodities such as rice and cotton produced near Griffith, New South Wales and Leeton. It has also generated controversy about allocation fairness between high security and general security holders, trade restrictions, and the adequacy of environmental flows during the Millennium Drought. Stakeholder disputes have involved organisations including Irrigation Australia and advocacy by conservation groups like the Australian Conservation Foundation and The Wilderness Society. Legal and political debates have centered on reconciliation of basin outcomes under the Murray–Darling Basin Plan and the capacity of state instruments to meet Commonwealth recovery targets.
Category:Water management in New South Wales