Icon/Status/Information

As a result of the recent high rainfalls and subsequent flooding Melbourne Water is working with emergency services and other relevant agencies to review the impacts to our waterways and assets. 

For flood or storm emergency assistance, contact the VIC SES on 132 500 and for life threatening emergencies call 000. 

You can access current emergency information by calling the VicEmergency Hotline on 1800 226 226 or sign up to receive regular updates regarding flooding via the emergency.vic.gov.au website and app.

Greenvale Reservoir

​Greenvale Reservoir was built to supply Melbourne’s growing west, and stores water transferred from Silvan Reservoir. Water from Greenvale flows out to service reservoirs in Melbourne’s north-western and western suburbs, typically from Craigieburn to Werribee.

Key facts

The dam at Greenvale Reservoir is a rolled earthfill and rockfill embankment, and was completed in 1971.

Aerial image of Greenvale Reservoir

  • Catchment area: 350 hectares (off-stream storage)
  • Surface area: 174 hectares
  • Total capacity: 26,839 megalitres
  • Dam height: 52 metres
  • Dam length: 2,500 metres

Rainfall over the years

View highlights from our historical rainfall data for Greenvale Reservoir, including annual rainfall, monthly averages, and the wettest and driest years by month.

Live rainfall and water storage data

Get the latest information on each of our 10 major reservoirs, including daily water storage levels and hourly rainfall data.

Annual rainfall at Greenvale (1972-2021)

Graph of annual rainfall (mm) at Greenvale Reservoir, 1972-2021

Monthly rainfall records (mm)

Last updated: January 2022

Month Wettest Driest Average
January​ 115.8 (2020)​ ​1.4 (2009) 46.2​
February​ ​179.6 (2005) 0.6 (1991)​ 44.9
March​ ​136.2 (2001) 6.0 (1998)​ 42.8
April​ 147.6 (1974)​ 9.0 (2008)​ 49.8
May​ 116.2 (1974)​ 8.8 (2005)​ 47.2
June​ 134.0 (2013)​ ​10.2 (1974) 49.2
July​ 110.6 (1987)​ ​12.4 (1994) 43.4
August​ 112.4 (1975)​ 20.2 (1977)​ 51.6
September​ 117.6 (2016)​ 14.4 (2007)​ 53.6
October​ 152.6 (2000)​ 6.8 (2007)​ 58.4
November​ 146.8 (2010)​ 14.8 (1982)​ 63.7
December​ 146.6 (1985)​ 3.6 (1972)​ 52.2
Annual total 838.8 (1974)​ 368.8 (1997)​ 603.0
Last updated:
28 January 2022