DELWP regularly updates the community on a Friday on the status of the state’s water across a variety of categories including storage levels, rainfall, and seasonal outlooks.

Contact the water reporting team at water.reporting@delwp.vic.gov.au for additional information or if you think we can improve the Snapshot.

This week's storage levels

Weekly update of a subset of storages across Victoria

StorageStorage level (%)Source data datePrevious week’s level (%)Previous year's level (%)
Melbourne Water    
Thomson86.421-Oct-2185.472.2
Cardinia77.421-Oct-2175.685.4
Upper Yarra91.821-Oct-2191.243.3
Sugarloaf90.221-Oct-2189.598.6
Silvan87.721-Oct-2188.085.2
Tarago100.021-Oct-21100.0100.0
Yan Yean100.021-Oct-2198.291.1
Greenvale89.321-Oct-2188.283.0
Maroondah100.021-Oct-21100.0100.0
O'Shannassy100.021-Oct-21100.0100.0
All storages86.621-Oct-2185.674.2
Goulburn-Murray Water    
Dartmouth*81.921-Oct-2181.359.1
Hume*98.321-Oct-2197.275.6
Eildon83.321-Oct-2182.066.0
Eppalock (Total)56.921-Oct-2156.347.0
Cairn Curran66.121-Oct-2165.649.8
Nillahcootie100.721-Oct-21100.7100.9
Tullaroop73.921-Oct-2173.461.4
Barwon Water    
Geelong and district97.021-Oct-2195.882.5
Central Highlands Water    
Ballarat and district97.719-Oct-2196.593.8
Coliban Water    
Coliban Southern99.921-Oct-21100.299.0
Gippsland Water    
Moondarra100.021-Oct-21100.0100.0
Grampians Wimmera Mallee Water    
Grampians storages43.820-Oct-2143.740.4
South Gippsland Water    
Major systems100.015-Oct-21100.0100.0
Southern Rural Water    
Glenmaggie95.821-Oct-2194.496.6
Blue Rock100.921-Oct-21100.4100.3
Rosslynne55.821-Oct-2154.929.4
Werribee Basin**85.721-Oct-2185.068.2
Westernport Water    
Candowie100.115-Oct-21100.5100.0

* Victoria has a 50% share of inflows to Dartmouth and in Hume

** Werribee Basin storage value is the combined volume of the Melton, Merrimu and Pykes reservoirs

Monthly storage levels

As at the end of September 2021:

  • Regional storages were 83.4% full
    • 5.8% higher than the previous month (77.6%)
  • Melbourne storages were 84.1% full
    • 1.9% higher than the previous month (82.2%)
  • Total Victorian storages were 83.5% full
    • 5.2% higher than the previous month (78.3%)

The graphs and data below are updated at the end of each month. This monthly dataset contains more storages than the weekly storage table above.

Download the monthly storage data (2010 to 2021).

Updated 20 October 2021

Regional monthly storage levels - end January 2010 to end September 2021

This picture displays the total regional storage levels (all systems except the Melbourne System) at the end of the month, from January 2010 to current.

Melbourne monthly storage levels - end January 2010 to end September 2021

This picture displays the total Melbourne System storage levels at the end of the month, from January 2010 to current.This picture displays the total Melbourne System storage levels at the end of the month, from January 2010 to current.

Total Victorian monthly storage levels - end January 2010 to end September 2021

This picture displays the total Victorian storage levels at the end of the month, from January 2010 to current.

Map of rainfall received in the last seven days

As at 30 September 2021 total rainfall received in the last seven days in millimetres

View the map on the BOM Website.

Rainfall in the Melbourne and Geelong region in the last seven days:

DateMelbourne (Olympic Park) rainfall (mm)Upper Yarra rainfall (mm)Thomson rainfall (mm)Geelong rainfall (mm)
15/10/20210.61.2166
16/10/202126.435.232.615
17/10/20210.45.440
18/10/202100.20.20
19/10/20210.82.80.41.4
20/10/202100.26.60.2
21/10/2021000.20
Total 28.2456022.6

View daily rainfall at:

Map of total rainfall received month to date

As at 30 September 2021 percentage of rainfall received for the month to date compared to long term average

View the map on the BOM Website.

Total rainfall received month to date in the Melbourne and Geelong region:

SiteRainfall (mm) - Total month to dateOctober Rainfall Average (mm)Calculation method (for average)
Melbourne (Olympic Park)86.458.5Mean rainfall (mm) - 30 year period 1981 -2010 from Melbourne Regional Office gauge
Upper Yarra119.093.4As per Melbourne Water
Thomson121.487.5As per Melbourne Water
Geelong62.451.3Mean rainfall (mm) - 28 year period 1983 - 2011 from Grovedale (Geelong Airport) gauge

Seasonal Climate Outlook

BoM Climate outlook (21 October 2021):

November to January rainfall is very likely to be above average across most of Victoria (greater than 70% chance of exceeding median rainfall). The likelihood is highest in east Gippsland, eastern parts of the Alps and an area in the north between Bendigo, Echuca and Seymour (greater than 80% chance). The likelihood is slightly lower across the western half of the state (60 to 70% chance).

November to January maximum temperatures are likely to be above average along the coast and across the west (greater than 60% chance of exceeding the median). The likelihood is lowest across parts of Gippsland and east Gippsland (30 to 45% chance). The remaining areas have roughly equal chances (45 to 55% chance).

November to January minimum temperatures are very likely to be warmer than average across Victoria (greater than 80% chance).

Next update is expected on 28 October 2021 (pm)

View the full outlook on the BOM Website.

30 September 2021 Bureau of Meteorology climate outlook image of Australia. Chance of exceeding the median Rainfall.

Climate Driver Update

BoM Climate Driver Update (12 October 2021):

The Bureau's ENSO Outlook has been raised to La Niña ALERT. This is due to continued cooling in the tropical Pacific Ocean and an increase in the number of climate models showing sustained La Niña conditions over summer. Historically, when La Niña ALERT criteria have been met, La Niña has subsequently developed around 70% of the time.

La Niña events increase the chances of above-average rainfall for northern and eastern Australia during spring and summer.

A weak negative Indian Ocean Dipole (IOD) event continues. Most models suggest the negative IOD event will ease to neutral levels in late spring. A negative IOD increases the chances of above-average spring rainfall for much of southern and eastern Australia.

The Southern Annular Mode (SAM) index has been neutral for the past week after being at positive levels for 5 to 6 weeks. It is forecast to remain neutral for the coming week, but is expected to return to generally positive levels from October to December. A positive SAM during spring typically brings wetter weather to eastern parts of Australia.

The next update is expected on 26 October 2021 (pm)

View the full update on the BOM Website

ENSO inactive image from the Bureau of Meteorology

Current urban restrictions

As at 14 October 2021, there were no towns on restrictions, with permanent water saving rules in place across Victoria.

Urban water corporations publish water restrictions on their websites. Visit the Water in Your Region page to find your urban water corporation via the interactive map.

Monthly urban restrictions

As at end September 2021 permanent water saving rules were in place across Victoria, with no towns on urban restrictions at any time during the month. The last time urban restrictions were in place was in June 2020, when 20 towns were on stage 1 restrictions.

The graph and data below are updated at the end of each month.

Download the monthly urban restrictions data (2010 to 2021)

Updated 14 October 2021

Graph of total number of towns on urban restrictions from January 2010 to September 2021

Graph of the monthly urban restrictions from end January 2010 to end of June 2021

Fortnightly stream restriction update

As at 11 October 2021, 7 unregulated streams were subject to licensed diversion restrictions across Victoria:

  • Goulburn-Murray Water – 5 streams (no change from 27 September)
  • Southern Rural Water – 0 streams (no change from 27 September)​
  • Melbourne Water – 2 streams (1 less than 27 September)
  • Grampians Wimmera Mallee Water – 0 streams (no change from 27 September)

Next update week of 25 October 2021.

Monthly stream restrictions

As at the end of September 2021:

  • There were 8 streams with restrictions or bans on licensed diversions across Victoria (1 less than the previous month - 9 in August).
    • Goulburn-Murray Water - 5 streams restricted (1 less than the previous month)
    • Grampians Wimmera Mallee Water - 0 streams restricted (the same as the previous month)
    • Melbourne Water - 3 streams restricted (the same as the previous month)
    • Southern Rural Water - 0 streams restricted (the same as the previous month)

The graphs and data below are as at the end of each month.

Download the monthly stream restriction data (2010-2021).

Updated 20 October 2021

Graph of total number of unregulated streams restricted from January 2010 to September 2021

Monthly unregulated stream restrictions graph from end January 2010 to end June 2021

Quarterly groundwater level trend summary

Groundwater level trend update - 1 April to 30 June 2021 quarter.

Groundwater level trends in groundwater management units (GMUs) are reported quarterly. Groundwater level trends for GMUs have been determined based on 5 years (short-term) or 10 years (long-term) consistent monitoring data from key bores in the State Observation Bore Network (SOBN) (Glossary).

Go to the DELWP website for more information on SOBN and GMUs.

TRENDGMU typeDecliningStableRising
Short-term trendGMA101711
WSPA442
Short-term total142113
Long-term trendGMA16193
WSPA820
Long-term total24213

Note: Insufficient data or monitoring bores were available to determine a short-term trend in 5 GMAs and a long-term trend in 5 GMAs.

Download the groundwater level trend data for 2018 to 2021.

Updated 28 July 2021, next update October 2021 (for Jul-Sep 2021 quarter).

Groundwater management unit short-term trends - April to June 2021 quarter

The map below shows the short-term (5-year) trends in each GMU (both GMAs and WSPAs) across Victoria. The trends are determined using the data from the SOBN key bores in the second map below.

April to June 2021 map of Groundwater Management Unit quarterly short-term (5-year) level trends

State Observation Bore Network key bore short-term trends - April to June 2021 quarter

The map below shows the short-term (5-year) trends in each SOBN key bore used to determine trends in the GMUs above.

April to June 2021 map of key State Observation Bore quarterly short-term (5-year) level trends

Groundwater management unit long-term trends - April to June 2021 quarter

The map below shows the long-term trends (10-year) in each GMU (both GMAs and WSPAs) across Victoria. The trends are determined using the data from the SOBN key bores in the second map below.

April to June 2021 map of Groundwater Management Unit quarterly long-term (10-year) level trends

State Observation Bore Network key bore long-term trends - April to June 2021 quarter

The map below shows the long-term (10-year) trends in each SOBN key bore used to determine trends in the GMUs above.

April to June 2021 map of key State Observation Bore quarterly long-term (10-year) level trends

Seasonal determinations and allocations

Seasonal determinations are made against water shares to provide allocations in declared systems. In northern Victoria, Goulburn-Murray Water makes the seasonal determinations in the relevant systems, while Southern Rural Water makes the seasonal determinations in the Thomson/Macalister and Bacchus Marsh/Werribee systems.

In the Grampians Wimmera Mallee Water area, resource assessments are undertaken every month to determine the amount of water that can be made available to entitlement holders. These monthly assessments result in a formal announcement on water allocations.

Coliban Water assess seasonal allocations for customers on its rural network based on available resources in the Coliban System.

SystemSeasonal determinations / allocationsDate updated
Goulburn-Murray Water - 2021-22
 HRWSLRWS 
Goulburn100%0%15 October 2021
Broken100%100%
Murray100%0%
Campaspe100%0%
Loddon100%0%
Bullarook100%100%
Southern Rural Water - 2021-22
 HRWSLRWS 
Bacchus Marsh/Werribee100%40%19 October 2021
Thomson/Macalister100%0%13 July 2021
Grampians Wimmera Mallee Water - 2021-22
Wimmera-Mallee Pipeline Product53%8 October 2021
Coliban Water- 2021-22
Coliban Rural System100%Opening announcement
1 July 2021

Additional Information

Weather and Climate

For most up to date information regarding rainfall conditions, seasonal climate outlooks and other climate information, visit the Bureau of Meteorology site.

Groundwater Restrictions

For current groundwater restrictions visit the Goulburn-Murray Water and Southern Rural Water sites. Go to Grampians Wimmera Mallee Water's site and search for 'groundwater restrictions'.

Seasonal Determinations

Seasonal determinations are made against water shares to provide allocations (Glossary). Visit the Victorian Water Register website for current determinations.

Seasonal Determination Outlook

The Northern Victoria Resource Manager provides information about risk of spill and resource outlook (Glossary) for seasonal determinations.

Water Register and Market Information

The Water Register is a public register of all water-related entitlements in Victoria. It has been designed and built to record water entitlements with integrity and provide crucial information for managing Victoria’s water resources.

You can obtain information about trading water in Victoria at the Victorian Water Register Site. Water products that may be traded in Victoria include water shares, allocations and take and use licences (Glossary)

Urban Water Restrictions

Water restrictions are only applicable to customers on a piped water (reticulated) supply. Urban water corporations publish water restrictions on their websites. Visit the Water in Your Region page to find your urban water corporation via the interactive map.

The Bureau of Meteorology’s Water Restrictions also provides a summary of water restrictions.

Visit the DELWP water restrictions page for more detail on the types of restrictions.

Environmental Water Releases

To learn how water for the environment is being used across the rivers and wetlands of Victoria, visit the Victorian Environmental Water Holder website.

Drought Management

Victorian's Drought Preparedness and Response Framework is being used to support drought-affected communities, Visit the Drought Section of the Agriculture Victoria website for further information.

Page last updated: 21/10/21