From Melbourne Water Corporation
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Water Supply - Daily Rainfall (at the 4 Major Harvesting Storage Dams)

Created 08/01/2026

Updated 26/03/2026

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Daily point rainfall values. This data is collected with rainfall telemetry devices installed at the catchment storage dams, and verified with field observations daily.  This data provides daily rainfall observed for the 24hr period from 8am to 8am. This data provides our customers and community with the daily observed rainfall information. This data is best used in long term rainfall analysis at the four major melbourne storage dams (Maroondah; O'Shannassy; Thomson; and Upper Yarra). This dataset is not suitable for event modelling which requires higher frequency observations.

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 Water Supply - Daily Rainfall (at the 4 Major Harvesting Storage Dams)
Language English
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/107c19bf-a7e1-4668-a8b3-5cd252496974
Remote Last Updated 19/03/2020
Contact Point
Melbourne Water Open Data Hub
enquiry@melbournewater.com.au
Reference Period 02/09/2019
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        144.7055,
        -38.0743
      ],
      [
        144.7055,
        -37.4064
      ],
      [
        146.429,
        -37.4064
      ],
      [
        146.429,
        -38.0743
      ],
      [
        144.7055,
        -38.0743
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Melbourne Water Corporation

Data Source

This dataset was originally found on Melbourne Water Corporation "Water Supply - Daily Rainfall (at the 4 Major Harvesting Storage Dams)". Please visit the source to access the original metadata of the dataset:
https://data-melbournewater.opendata.arcgis.com/datasets/melbournewater::water-supply-daily-rainfall-at-the-4-major-harvesting-storage-dams