NATIONAL IRRIGATORS’ COUNCIL

POLICY PORTFOLIO - MURRAY DARLING BASIN PLAN

Advocating for the Australian irrigated agriculture industry

The Murray Darling Basin Plan

The Murray Darling Basin Plan "the Plan") became Commonwealth legislation in 2012.  It was enabled under the Water Act 2007.  The plan outlines the management of water resources in the Murray-Darling Basin, including water allocation, environmental water management, and water quality standards.

The Plan has been amended twice since becoming law:

  • 2017/18: Amendments to reduce the Water Recovery targets for the Northern Basin, enable Sustainable Diversion Limit Adjustment Mechanism and the additional 450GL of environmental water to be achieved with neutral socio-economic outcomes. 
  • 2023: Restoring Our Rivers Bill amended key timelines for implementation, broadened the environmental objectives for the additional 450GL environmental water and enables other mechanisms of recovery without the need for neutral socio-economic outcomes, and removed limits on water purchases.

The Plan is scheduled for review by the Murray Darling Basin Authority in 2026.

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'Moving Forwards: Our Review into the Murray Darling Basin Plan' is a series of comprehensive papers by National Irrigators' Council based on the key themes identified by the MDBA in their Early Insights Paper and aims to start a conversation on how to enable improvements in the Basin Plan and enhance environmental outcomes with the water already held for environmental purposes. 


See Report
 See Report

Snapshot of environmental outcomes

  • Over the 9-year period, 15,443 GL of Commonwealth environmental water was delivered to 56 ecosystem types representing 249,079 ha of lakes and wetlands, 187,486 ha of floodplain, 27,715 km of waterways and 23,768 ha of estuarine ecosystems - Flow-MER_22-23 Synthesis Report (CEWH).
  • The largest bird-breeding events in the decades in 2022-2023 were supported by natural flows and various forms of environmental water- DCCEEW.
  • Increased abundance in native fish and improved resilience of native fish - CEWH
  • Improved connectivity between the Lakes, Coorong and Murray Mouth with 10 years of continuous flow and increased barrage flows, the maintenance of lake levels and salinities within optimal ranges in SA Lower Lakes - Monitoring Report -CLLMM.
  • The export of at least 4.2 million tonnes of salt through the barrages at South Australia - Benefits of water for the environment (DCCEEW).


Water Recovery Progress

Water recovery towards the Murray Darling Basin Plan Sustainable Diversion Limits and compliance with those limits, is monitored by the Murray Darling Basin Authority.


As reported in the August Sustainable Diversion Limit Water Take Report the Basin Plan Sustainable Diversion Limits are being achieved with all water resource plan units compliant. 


The progress to-date means  that 1 in 3 litres of water for agriculture is now held by environmental water holders.  This is a total reduction in water availability meaning 72% of average river flows are for the environment and 28% to water users.


KEY MESSAGES

The National Irrigators' Council wants to see healthy rivers and wetlands because we are locals too and that is why we are committed to enforcing compliance with current Sustainable Diversion Limits  - as the core component of the Murray Darling Basin Plan.

Future Basin Plan implementation must focus on moving beyond ’just add water’. Governments must optimise outcomes through being smarter and more strategic with environmental water; investing in complementary measures (such as invasive species control, fish passageways, habitat restoration, fish screening, riparian land management); and a paradigm shift of working together.


Policy Position Statements relating to the Murray Darling Basin Plan

Finalising the Murray Darling Basin Plan

Position Statement

SDLAM Reconciliation

Position Statement

Constraints Management

Position Statement

Reliability of Water Access Entitlements

Position Statement Agreed July 2025


Key Related NIC Resources on the Murray Darling Basin Plan

Southern Basin communities risk losing a further 265 GL of water according to a new Murray-Darling Basin Authority (MDBA) report, unless the Federal Government changes course and puts today’s evidence ahead of past politics. 
“These communities have endured 30 years of reform, already losing 1 in 3 litres of water from farming, who are now hearing they risk a further 265 GL, on top of the 450 GL the Federal Government is already out purchasing,” NIC CEO Zara Lowien said. “It’s time to move beyond ‘just adding water’ to the environment, today’s environmental challenges need the right tools, and farmers and communities need stability.” [...]

The MDBA have released consultation materials ahead of the upcoming Roundtable in Sydney - NIC will be attending.  

This purpose of this pack outlines the emerging policy directions for the Basin Plan Review. It is intended to support further engagement and does not represent settled positions or decisions. There will be six Rountable discussions  on:

  • Optimising outcomes from environmental water (including constraints)
  • Water resource planning and regulation
  • At-risk SDL assessments and potential responses
  • Northern Basin water management
  • Water quality and native fish
  • Climate risk and adaptive responses

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