Dharriwaa Elders Group is very worried about the health of the rivers at Walgett. For this reason the Ngarrangarra-li Walaaybaa Rangers (Look After Home Country Rangers) Walgett River Rangers conduct regular water quality testing, measuring a range of factors that affect the quality of the river water. Different results affect the health of native animals and plants, and the health of the people that rely on the river for food and water.
The team visits some or all of 5 locations chosen on the Baawan and Ngamaay Rivers at Walgett - depending on weather conditions and river access. Their results are uploaded below, and a summary using a traffic light analysis of their results are posted on DEG's Facebook page @DharriwaaEGroup.
In 2023 DEG formed a relationship with the Gulbali Institute of Charles Sturt University to trial an additional water testing program that tests for nutrients, chemical oxygen demand, metals, pesticides, and algae, to complement DEG's regular water quality tests for pH, dissolved oxygen, temperature and salinity. These test reports are available below.
DEG sincerely thanks Associate Professor Martin Andersen of the Global Water Institute of UNSW for the long-term training he provides to our team in measuring water quality.
Water Quality Monitoring Definitions.
Water Quality Monitoring Report 30 September 2025
Weekly Water Quality Monitoring Report 8 August 2025
Weekly Water Quality Monitoring Report 28 July 2025
Weekly Water Quality Monitoring Report 14 July 2025
Weekly Water Quality Monitoring Report 3 July 2025
Weekly Water Quality Monitoring Report 25 June 2025
Weekly Water Quality Monitoring Report 10 June 2025
Weekly Water Quality Monitoring Report 3 June 2025
Weekly Water Quality Monitoring Report 21 March 2025
Weekly Water Quality Monitoring Report 12 March 2025
Weekly Water Quality Monitoring Report 4 March 2025
Weekly Water Quality Monitoring Report 25 February 2025
Weekly Water Quality Monitoring Report 18 February 2025
Weekly Water Quality Monitoring Report 11 February 2025
Weekly Water Quality Monitoring Report 3 February 2025
Weekly Water Quality Monitoring Report 13 January 2025
Weekly Water Quality Monitoring Report 2 December 2024
Weekly Water Quality Monitoring Report 26 November 2024
Weekly Water Quality Monitoring Report 19 November 2024
Weekly Water Quality Monitoring Report 5 November 2024
Weekly Water Quality Monitoring Report 29 October 2024
Weekly Water Quality Monitoring Report 15 October 2024
Weekly Water Quality Monitoring Report 10 October 2024
Weekly Water Quality Monitoring Report 18 September 2024
Weekly Water Quality Monitoring Report 11 September 2024
Weekly Water Quality Monitoring Report 3 September 2024
Weekly Water Quality Monitoring Report 22 August 2024
Weekly Water Quality Monitoring Report 7 August 2024
Weekly Water Quality Monitoring Report 30 July 2024
Weekly Water Quality Monitoring Report 23 July 2024
Weekly Water Quality Monitoring Report 16 July 2024
Weekly River Monitoring Report 9 July 2024
Weekly River Monitoring Report 2 July 2024
Weekly River Monitoring Report 25 June 2024
Weekly River Monitoring Report 11 June 2024
Weekly River Monitoring Report 4 June 2024
Weekly River Monitoring Report 28 May 2024
Weekly River Monitoring Report 21 May 2024
Weekly River Monitoring Report 14 May 2024
Weekly River Monitoring Report 9 May 2024
Weekly River Monitoring Report 16 April 2024
Weekly River Monitoring Report 9 April 2024
Weekly River Monitoring Report 3 April 2024
Weekly River Monitoring Report 13 March 2024
Weekly River Monitoring Report 7 March 2024
Weekly River Monitoring Report 27 February 2024
Water Quality Sampling in the Namoi and Barwon Rivers 2 November 2023
The Ngarrangarra-li Walaaybaa Rangers (Look After Home Country Rangers) Walgett River Rangers program is proudly supported by the National Indigenous Australians Agency