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Gunnedah Recorded Rainfall Data Analysis

Event flood modelling of the largest rainfall in the last 21 years

  • Gunnedah, New South Wales

    Gunnedah, New South Wales

Rainfall event hydraulic modelling to understand flood characteristics

The town of Gunnedah experienced significant rainfall between the 7th and 8th of November 2021, and the runoff generated from the weather overwhelmed the Gunnedah Solar Farm as well as several other sites in the vicinity. Hundreds of homes were damaged, and many residents were ordered to evacuate. Our job? Due diligence to make sure the solar farm project didn’t affect the community.

PCL brought in our Water team to analyze the rainfall data collected from this storm event at the Gunnedah Airport Bureau of Meteorology Station. We provided hydraulic modelling to understand the flooding duration and the generated flood levels at the solar farm project site, as well as on properties adjacent the site.

This storm was the largest recorded at the Airport Station in the last 21 years. Our conclusions? The hydraulic modelling indicated that the proposed works did not adversely impact the duration of inundation at neighbouring holdings.

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John Ciccotelli, Regional Director, Water Australia

I love knowing that decisions made on how we approach a project or provide a solution directly impacts my friends, family and neighbourhood.
John Ciccotelli Regional Director, Water Australia Read More

John Ciccotelli

Regional Director, Water Australia

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Run Modes: s7connect,crx3,nosamplecontent,publish,crx3tar
Build Version: 2.5.0.8
Build Date: 2022-43-28 08:43:59