The recently released, “State of Stormwater in NSW 2025” details a critical tipping point for the state’s water infrastructure. The report identifies a systemic collapse driven by fragmented governance, severe funding gaps, and a “black hole” of missing asset data.
Key Findings of the Report:
- Maintenance Failure: Gross Pollutant Traps (GPTs) across Australia currently operate at an average functionality of only 32%, meaning nearly 70% of capital investment is failing to protect the environment.
- Funding Crisis: The primary state-level funding mechanism (the stormwater levy) has been capped at $25 per property and unindexed since 2006, creating a structural deficit for every council in NSW.
- The Data “Black Hole”: Many councils are managing “orphan assets” that do not exist on any official register, making evidence-based maintenance and funding impossible.
- Generational Backlogs: Infrastructure backlogs have reached critical levels; for example, North Sydney Council faces a $157 million renewal gap, representing a backlog ratio over seven times the recommended benchmark.
- Governance Vacuum: There is currently no single government entity responsible for stormwater in NSW, with oversight instead scattered across 30+ agencies and 50+ legislative instruments.
- National Leadership Collapse: The national peak body, Stormwater Australia, underwent a total board dissolution and reformation in 2025 following the financial failure of its flagship product verification program, SQIDEP.
The report concludes that without urgent intervention—including the appointment of a Lead Agency and the immediate uncapping of the stormwater levy—the system will continue to decay, placing native ecosystems and local communities at increasing risk.
Download the Full Report: State of Stormwater in NSW 2025.
