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Surface Water Ambient Network (SWAN) – Water quality

Program start date

January 1960

Program end date


Objectives of the program

The program aims to:

  • Collect information to assist the management and assessment of Queensland’s surfacewater resources
  • Collect ambient water quality data (over a range of flow conditions) at a selection of stream gauging stations to enable the assessment and reporting condition of condition and trend of Queensland’s freshwater aquatic ecosystem health.

Who is involved?

Lead organisation

Department of Natural Resources and Mines

Contact details of lead organisation: water.monitoring♲

Partner organisations

Queensland Health Forensic and Scientific Services (notional program for analysis of manual samples)

List of indicators monitored

In-situ (on-site) sampling at all sites may include:

  • Electrical conductivity at 25º C
  • pH at 25º C
  • Temperature

Continuous time series measurements at a subset of sites:

  • Electrical conductivity at 25º C
  • pH at 25º C
  • Temperature

Scale of program


Brief description of sampling locations

The Surfacewater Ambient Network and consists of 242 stream gauging station sites in Queensland.

Frequency of monitoring

Monitoring frequency is defined in the approved network list and is variable.

Where is the program reported?

Ambient surface water quality data

Last updated: 1 August 2017

This page should be cited as:

Department of Environment and Science, Queensland (2017) Surface Water Ambient Network (SWAN) – Water quality, WetlandInfo website, accessed 27 October 2023. Available at:

Queensland Government
WetlandInfo   —   Department of Environment and Science