Water Information

Rationing Irrigation Water Supply

Rationing occurs when irrigation demand exceeds the physical capacity of the delivery network for an extended period of time.

Drainage in the GMID

Drainage plays a key role in reducing the threat of inundation, waterlogging and salinity, all of which can have a detrimental effect on agriculture and the environment. There are two types of drainage within the Goulburn Murray Irrigation District (GMID): surface drainage and subsurface drainage.

Delivery shortfall and Barmah Choke

Helping you understand shortfall risks in the lower Murray and how it affects you.

Water Resource update

The purpose of the Annual Water Outlook is to provide an outlook of water availability for the remaining months of 2025/26 and what conditions are possible at the start of the 2026/27 water year.

Diversions

Our Diversions team is responsible for the licensing and management of services to customers who extract water via private works from regulated and unregulated rivers and streams; groundwater bores; and from dams.

Surface Water

Surface water includes an extensive network of streams, creeks, rivers, lakes, weirs and reservoirs, and also irrigation canals. Surface water is managed in two ways, in unregulated systems and regulated systems.

Water Terms & Definitions

Information from the Victorian Water Register about various water terms and definitions.

Water Glossary

This website includes an online glossary. Throughout the site you may see words and phrases that are linked with a certain layout and a small icon. You can get more information about a glossary term by clicking on it when you see it, or you can see the full glossary here.