Mehi River (New South Wales, Australia)

Course and physical characteristics

The Mehi’s course links regulated storage at the Tareelaroi Weir to downstream floodplain areas and the Barwon River. Flow volumes vary with seasonal rainfall, upstream releases and irrigation extraction. In many stretches the river runs through low-lying plains and is bordered by riparian vegetation typical of the northern New South Wales agricultural zone.

Management and history

The river has been shaped by human activity: water control structures such as the Tareelaroi Weir were built to help manage supplies for farming and towns. Over time, water allocation and flood management have been important issues for local authorities, irrigators and communities. The Mehi’s behaviour during wet seasons—when it can rise quickly across the surrounding plain—has influenced local planning and infrastructure.

Uses and economic importance

A key role of the Mehi is supplying water for agriculture. Irrigation from the river supports crops in the Moree region, most notably cotton production. Water taken from the Mehi is used by farms, and that use has economic significance for the local and regional economy. At the same time, water managers attempt to balance agricultural demand with environmental needs and town supply.

Ecology, recreation and community value

The river corridor provides habitat for native plants and animals, and its floodplain supports wetland patches important for birds and aquatic life. Local residents and visitors use parts of the Mehi for leisure activities: fishing and water-skiing are common pastimes where conditions permit. The town of Moree sits on the river and maintains community links to the waterway for both amenity and practical uses.

Notable facts

• The Mehi River begins at Tareelaroi Weir and flows into the Barwon River.
• Its length is approximately 160 kilometres, and it passes through Moree.
• The river supports irrigation for crops including cotton and is used for recreation.

For more regional context, see information about northern New South Wales and Australian river systems: northern New South Wales, Australia. Information on recreational activities such as fishing around the Mehi is available from local resources: fishing and recreation.