How Wollongong's Digital Archives Ended Up Full of Duplicate Images — And What's Being Done About It

Wollongong City Council's digital asset management system holds tens of thousands of images, many of them duplicates entered during three separate database migrations between 2017 and 2024. The problem is not unique to this city, but its local consequences are sharper than most: planning documents for major precincts including the Port Kembla Renewable Energy Zone have at times referenced the wrong aerial photographs, creating confusion during public exhibition periods.

The issue matters right now because several of those precincts are at a critical juncture. The Port Kembla harbour precinct is central to the state government's renewable energy infrastructure push, and the Illawarra Shoalhaven Joint Organisation — which coordinates strategic planning across Wollongong, Shellharbour, Kiama and Shoalhaven councils — is in the process of consolidating its regional planning data into a single shared repository before the end of the 2026 calendar year.

A Paper Trail That Became a Digital Tangle

The roots of the duplication problem reach back to the early 2010s. Council departments, the University of Wollongong's Planning and Infrastructure unit, and BlueScope Steel's environmental compliance team all maintained independent image catalogues to satisfy different reporting obligations. When Council moved to centralise records under the Wollongong Local Environmental Plan 2009 review process, files were batch-imported rather than curated, and naming conventions were never standardised.

By the time the second migration occurred — coinciding with the 2020 shift to a cloud-hosted content management system — librarians and records officers at the Crown Street civic administration building identified more than 14,000 flagged duplicates, according to internal records released under a Government Information (Public Access) request in March 2025. That figure does not include images held by separate entities such as Infrastructure NSW or Transport for NSW, which maintain their own asset libraries for the Princes Highway upgrade corridor between Yallah and Albion Park Rail.

The University of Wollongong, whose Innovation Campus on Squires Way holds one of the region's most used geographic information repositories, undertook its own audit in late 2024. The university's library services team found that aerial and drone photography of the Illawarra escarpment collected for separate research projects between 2018 and 2023 had been ingested into the same cataloguing system without deduplication protocols, meaning researchers were sometimes working from superseded imagery without realising it.

The Cost of Leaving the Problem Unsolved

Storage costs are one measurable consequence. Commercial cloud storage pricing for local government in NSW has risen markedly since 2021, with some council IT managers reporting per-terabyte annual costs that are double what they paid under earlier on-premises arrangements. Redundant image files consume a disproportionate share of that budget without delivering any information value.

The more significant concern is accuracy. The Wollongong Local Housing Strategy, which guides medium-density development decisions in suburbs including Fairy Meadow, Corrimal and Unanderra, relies on dated aerial records to assess tree canopy cover and flood risk overlays. When duplicates enter those workflows unchecked, planners can pull an older image that predates a subdivision or a drainage upgrade, producing assessments that do not reflect current conditions on the ground.

Council's records management team, based at the Burelli Street administration annex, began piloting a metadata-driven deduplication process in February 2026 using software already licensed through a state government procurement panel. The pilot covers approximately 3,200 images tied to development applications lodged since 2022.

For residents and developers dealing with the planning system in the Illawarra region, the practical advice is straightforward: when submitting applications or accessing Council's public mapping portal, check the capture date attached to any aerial image used in supporting documents. If the date is older than two years and the site sits within a growth precinct — particularly around Shellharbour City Centre, Dapto or the Port Kembla industrial buffer zone — it is worth formally requesting confirmation that the imagery reflects current conditions. The Illawarra Shoalhaven Joint Organisation's consolidated repository, expected to go live before December 2026, should reduce that burden significantly once it is operational.