From Melbourne Water Corporation
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Catchments - Major Catchments of Melbourne's River Basins

Created 08/01/2026

Updated 07/03/2026

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Area representing the watershed / hydraulic catchment of major waterways. The "Major Catchment" layer divides each Primary catchment into the tributaries of a primary river. The delineation of a Major Catchment is by the watershed (natural or constructed) of a major drain or watercourse. Examples of major catchments are: Tributary of Yarra River, Darebin Creek, Tarago River and Corhanwarrbul Creek. This dataset provides a consolidated and consistent set of drainage catchments covering the entire Port Phillip and Westernport catchment area (Melbourne Water’s area of responsibility for waterways and drainage). The primary purpose of this layer is for the hydraulic modelling of catchments and waterways, and/or calculations. Additional uses: 

  • Asset creation and numbering
  • Flood Plain Mapping
  • Drainage Scheme Creation and Reviews
  • Water Resource Management
  • Responding to Land Development Queries

NOTE: Whilst every effort has been taken in collecting, validating and providing the attached data, Melbourne Water Corporation makes no representations or guarantees as to the accuracy or completeness of this data. Any person or group that uses this data does so at its own risk and should make their own assessment and investigations as to the suitability and/or application of the data. Melbourne Water Corporation shall not be liable in any way to any person or group for loss of any kind including damages, costs, interest, loss of profits or special loss or damage, arising from any use, error, inaccuracy, incompleteness or other defect in this data.

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Additional Info

Field Value
Title Catchments - Major Catchments of Melbourne's River Basins
Language English
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/d946ea67-d0c7-4f14-acd4-0bb70ee029a1
Remote Last Updated 07/05/2020
Contact Point
Melbourne Water Open Data Hub
enquiry@melbournewater.com.au
Reference Period 06/10/2019
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        144.0723,
        -38.5425
      ],
      [
        144.0723,
        -37.2264
      ],
      [
        146.1698,
        -37.2264
      ],
      [
        146.1698,
        -38.5425
      ],
      [
        144.0723,
        -38.5425
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Melbourne Water Corporation

Data Source

This dataset was originally found on Melbourne Water Corporation "Catchments - Major Catchments of Melbourne's River Basins". Please visit the source to access the original metadata of the dataset:
https://data-melbournewater.opendata.arcgis.com/datasets/melbournewater::catchments-major-catchments-of-melbournes-river-basins