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Our Catchment

Banner Image - Peter Dwyer - Namoi CMA Comp 001 [banner image peter dwyer namoi cma comp 001 1.jpg]

The catchment is bounded by the Great Dividing Range in the east, the Liverpool Ranges and Warrumbungle Ranges in the south, and the Nandewar Ranges and Mt. Kaputar to the North. Major tributaries of the Namoi River include Coxs Creek and the Mooki, Peel, Cockburn, Manilla, and McDonald Rivers, all of which join the Namoi upstream of Boggabri. Stretching from Bendemeer in the east to Walgett on the western boundary the Catchment is over 350 kilometres long.

Our catchment is home to approximately 100,000 people concentrated mostly along the Namoi River and its tributaries between Tamworth and Narrabri. Having an area of approximately 42,000 square kilometres.Of our annual regional output of over A$1 Billion, agricultural production enterprises represent approximately half.

A range of land and water management issues affect the Namoi Catchment including water quality decline, soil and land degradation, increasing dryland salinity, and loss of native vegetation and decline in biodiversity.

However the Namoi catchment provides boundless economic wealth and diverse environmental wonders, giving us many reasons to support and improve our Natural Resource Management through our Catchment Management Authority.


Namoi CMA Area [pdf 56Kb]

Namoi Groundwater Map [pdf 103Kb]

Namoi Landuse Map [pdf 568Kb]


Namoi Catchment Map- Interim Biogeographical Regionalisation of Australia


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Namoi Catchment Management Authority, 2013