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