The 70km pipeline can carry water from the Goulburn River to Melbourne in times of critical human need.

Get to know Melbourne’s 10 major water storage reservoirs, which help secure our water supply now and into the future.

View facts and historical rainfall data for Cardinia, Melbourne’s second-largest reservoir.

View facts and historical rainfall data for Greenvale Reservoir, built to supply Melbourne’s growing west.

View facts and historical rainfall data for Maroondah Reservoir, which supplies Melbourne’s northern, western and inner suburbs.