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Flow-MER MDB managed floodplain

This data set extends the MDBA published Murray-Darling Basin managed floodplain (https://data.gov.au/data/dataset/murray-darling-basin-managed-floodplain) to include all areas watered with Commonwealth environmental water 2014-2021. Areas that are added are mapped by polygons from the ANAE classification of the Murray-Darling Basin data set that were identified as receiving inundation by Commonwealth environmental water by the Commonwealth Environmental Water Holder’s (CEWH) Long Term Intervention Monitoring (LTIM) project (2014-2019) and the first two years of the Monitoring, Evaluation and Research (Flow-MER) program.

The MDBA published Murray-Darling Basin managed floodplain (https://data.gov.au/data/dataset/murray-darling-basin-managed-floodplain) is a spatial data set that estimates the extent of the Murray-Darling Basin that can be influenced by environmental water under the Basin Plan. It includes:

  • actively managed areas that can receive environmental water via large headwater storages or via The Living Murray ‘environmental works’ sites on the River Murray floodplain
  • passively managed areas that receive environmental water via flow rules in water resource plans or via natural events
  • areas that may be inundated with high flows if key constraints are overcome

The CEWH’s Flow-MER program examines the contribution of Commonwealth environmental water to the environmental objectives of the Basin Plan 2012 (Basin Plan) and is assisting the CEWO to demonstrate environmental outcomes and adaptively manage the water holdings. For more information on methods and reporting using these data see https://www.dcceew.gov.au/water/cewo/monitoring/mer-program


The Commonwealth Environmental Water Holder and Flow-MER program participants acknowledge the First Nations peoples as the Traditional Owners and Custodians of the lands, waterways and skies of the Murray-Darling Basin. We respect their continuing connection to culture and Country, and we thank them for their knowledge and science and the values reflected in these data.


CEWH Flow-MER (2022) Flow-MER MDB managed floodplain. Flow-MER Program. Commonwealth Environmental Water Holder, Australian Government Department of Climate Change, Energy, the Environment and Water. Sourced from https://data.gov.au/data/dataset/flow-mer-managed-floodplain on [date-accessed]

Data and Resources

Additional Info

Field Value
Title Flow-MER MDB managed floodplain
Type Dataset
Language English
Licence Creative Commons Attribution Share Alike 4.0 International
Data Status active
Update Frequency annually
Landing Page https://data.gov.au/data/dataset/e0b22d8a-9407-4716-aa41-da8d534e6b36
Date Published 2022-11-02
Date Updated 2023-11-07
Contact Point
Commonwealth Environmental Water Office
Temporal Coverage 2014-06-01 00:00:00 - 2022-06-30 00:00:00
Geospatial Coverage {"type":"Polygon","coordinates":[[[146.9,-24.6],[148.1,-24.9],[148.2,-26.1],[151.0,-26.2],[152.5,-28.2],[151.7,-31.3],[149.7,-32.3],[150.4,-32.9],[149.5,-36.5],[148.5,-35.8],[148.2,-36.9],[146.5,-37.6],[142.6,-37.4],[140.9,-35.4],[139.5,-35.6],[139.8,-36.5],[138.6,-35.4],[138.9,-33.0],[143.2,-30.7],[145.2,-25.7],[146.9,-24.6]]]}
Jurisdiction Commonwealth of Australia
Data Portal data.gov.au
Publisher/Agency Commonwealth Environmental Water Office
Fields of Research
  • Environmental Monitoring
Geospatial Topics
  • Inland waters