Freshwater Basins Across the Region

    The environmental health of the Wet Tropics freshwater basins is assessed on water quality, habitat and hydrology, and fish. 

    Overall grades are provided for all nine basins in the Wet Tropics region – the Daintree, Mossman, Barron, Mulgrave, Russell, Johnstone, Tully, Murray and Herbert.

    For 2023-24 all basin zones were graded ‘good’ except for the Barron and the Murray which were graded ‘moderate’.

     

    Freshwater

    indicators and confidence

    freshwaterlegend

    Grading

    gradesa1

    very good

    gradesb1      good

    gradesc1

    moderate

    gradesd1

    poor

    gradese1

    very poor

    inconclusive

    Confidence surrounding the data used in the coasters has been assessed using a multi-criteria framework.

    confidence

    Environmental results

    To see the detailed results for each basin, click the associated basin name: 

    Daintree; Mossman; Barron; Mulgrave; Russell; Johnstone; Tully; Murray; Herbert

    See the detailed reports for further information on the methods used to produce the scores and grades and detailed results.