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Lake Macquarie - Surface water and sediment quality in the vicinity of coal ash repositories

Created 24/06/2025

Updated 18/10/2025

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This information asset presents a comprehensive dataset on surface water and sediment quality in the southern section of Lake Macquarie, NSW, Australia. The data was compiled by the Science and Insights Division (S&I) of the NSW Department of Climate Change, Energy, the Environment and Water (DCCEEW) as part of an independent assessment commissioned by the NSW Environment Protection Authority (EPA). The primary objective of this data collection was to support the EPA’s efforts to deliver the NSW Government's response to the recommendations from the NSW Parliamentary Inquiry report regarding the costs associated with the remediation of coal ash repositories. The information serves as a present-day assessment of the contamination status of Lake Macquarie, providing a baseline for evaluating future changes and the efficacy of mitigation and remediation activities. The outcomes of the investigation are detailed in five standalone reports and an accompanying synthesis report.

Files and APIs

Additional Info

Field Value
Title Lake Macquarie - Surface water and sediment quality in the vicinity of coal ash repositories
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/en/dataset/4fad15b2-dc30-4f35-957a-a538756f7b21
Remote Last Updated 08/10/2025
Contact Point
Environment Protection Authority (EPA)
?datansw@customerservice.nsw.gov.au
Reference Period 01/01/2022 - 31/12/2024
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        151.487045,
        -33.17761
      ],
      [
        151.487045,
        -32.949731
      ],
      [
        151.675186,
        -32.949731
      ],
      [
        151.675186,
        -33.17761
      ],
      [
        151.487045,
        -33.17761
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal DataNSW

Data Source

This dataset was originally found on DataNSW "Lake Macquarie - Surface water and sediment quality in the vicinity of coal ash repositories". Please visit the source to access the original metadata of the dataset:
https://data.nsw.gov.au/data/dataset/nsw-lake-macquarie-surface-water-and-sediment-quality-in-the-vicinity-of-coal-ash-repositories