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fish kill boney herring 11 Dec 2024
Dead boney herring "forkytails" in the Ngamaay River after having been forced up the river from the Baawan at the Walgett weir.

Dangerously low dissolved oxygen at Walgett.

In their Weekly River Monitoring Reports from 17th December 2024 and13th January 2025 the rangers reported that the dissolved oxygen was below 3mg/L at the Walgett Weir which is at a dangerous level for fish.

Dharriwaa Elders Group (“DEG”) is worried about the health of the Baawan (Barwon) and Ngamaay (Namoi) Rivers at Walgett.

For this reason the Walgett River Rangers conduct weekly water quality testing. The rangers test multiple sites on the Baawan and Ngamaay Rivers.

DEG does this work in its long-term Yuwaya Ngarrali partnership with the University of New South Wales, with the assistance of Gulbali Institute of Charles Sturt University and NSW Fisheries. The rangers test for pH, dissolved oxygen, temperature, and salinity, and are expanding this to include nutrients, chemical oxygen demand, metals, pesticides, and algae. These reports are available on the DEG website

DEG made a statement 27 January 2025 about our water quality work.

Dharriwaa Elders Group’s Ngarrangarra-li Walaaybaa Rangers (the Look After Home Country Rangers) project is proudly supported by the National Indigenous Australians Agency.

 

Aboriginal people in Walgett describe the Ngamaay (Namoi) and Baawan (Barwon) rivers as the lifeblood of their community, waterways which generations have cared for and lived on for thousands of years. However, in recent years the rivers have been largely dry with a massive negative impact on community health and wellbeing.

"Well the river is our life: it's like anywhere in the world, if you don't have water you don't have life. The river when I was growing up was a good thing for everybody. Not to say we didn't take things for granted but we respected the waters. It was our life through fishing, drinking, cooking but today there's nothing there. It's really sad. I think to me it's greed by people upstream that don't allow the water to come down" (Community member, quoted in Yuwaya Ngarra-li Community Data Gathering Report, 2019).

The drying up of local rivers is attributed by the Dharriwaa Elders Group to poor management of rivers and water infrastructure by government, which has prioritised the interests of farmers and irrigators over Aboriginal people, and failed to mitigate threats from Climate Change. The lack of respect and understanding for Aboriginal knowledge of river systems and the perspectives or interests of Aboriginal people is an ongoing legacy of decades of institutional racism and has had disproportionately negative impacts on Aboriginal people in Walgett in a number of ways.

The DEG has long held concerns for the health of surface and ground waters of Walgett. Over its 25 years of operation, DEG has become increasingly aware of the vulnerability of Walgett’s water infrastructure and capacity, the lack of planning for climate change, and the low priority given to Walgett community's water security. Our Caring for Water and Country program works for a vision for Walgett where wellbeing of people and Country is vital, and Walgett children have a better, brighter future. We will link Aboriginal culture and science with western science to renew the health of the river systems and groundwaters. We are developing a collection of policies and requirements for management of waters for the social, economic and cultural development of our community.

As a result of our work we will own and manage water for socio-economic development, the environment and Aboriginal cultural practices and wellbeing.