O’Connell River, Whitsundays Pile Field – Case Study

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Stream bank erosion is a major source of sediment in many watercourses. This has multiple implications including degrading water quality, reducing ecosystem habitat and the loss of agricultural land on productive alluvial floodplains. One of the focuses for improving water quality and ecosystem health in the Mackay Whitsunday region is to stabilise stream banks.

In the Whitsundays a pile field was constructed within the O’Connell River basin catchment. It is the first pile field project in the Whitsundays, and the largest system repair project Reef Catchments has led. The site was the highest priority identified in the O’Connell River Stability Assessment. Approximately 275 piles were driven into the stream bank for realignment purposes and to provide an environment suitable for sediment deposition and vegetation establishment. The works have already provided considerable water quality improvements after a single wet season.

Monitoring Organisation Reef Catchments

Name Katrina Dent

Phone 4968 4207

Email katrina.dent@reefcatchments.com

Position in organisation General Manager

Activity Type erosion and sediment control projects (e.g. stream bank stabilisation, sediment retention basins)

Activity Indicators water quality in freshwater river basins

Activity location O'Connell catchment

Frequency of monitoring

Monitoring Start Date 01/07/2015

30/06/2016

Location of monitoring data

Date quality / confidence

Website URL http://reefcatchments.com.au/land/case-study-stabilising-stream-banks-along-the-oconnell-river/

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