Zone 3: Middle Arm

Water quality in the Middle arm was good.

Zone 3 - Middle Arm map 2020Zone 3 - Middle Arm wheel 2020

About Middle Arm

Middle Arm comprises the Blackmore and Pioneer River estuaries. The zone has extensive mangrove fringes and intertidal mudflats.

The Blackmore River flows into Darwin Harbour over the whole year, with dry season flows from Darwin River Dam and Berry Springs.

Most of the zone's catchment is rural or savannah woodland.

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The distribution of the data for all parameters is shown here as box and whisker plots.

For report card grades the median of the data (solid line in the box) is compared to the Water Quality Objective (dotted line) for each parameter.

IndicatorPlot
Zone 3 - Middle Arm turbidity 2020
Zone 3 - Middle Arm dissolved Oxygen 2020
Zone 3 - Middle Arm Chlorophyll-a 2020
Zone 3 - Middle Arm filterable reactive phosphorus 2020Zone 3 - Middle Arm ammonia 2020  Zone 3 - Middle Arm NOx 2020

Supplementary parameters

Zone 3 - Middle Arm salinity 2020 Zone 3 - Middle Arm temperature 2020 Zone 3 - Middle Arm pH 2020


Last updated: 12 October 2021

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