We have been assessing the Woolgoolga to Ballina Pacific Highway upgrade’s impact on flood behaviour since 2012.
The Woolgoolga to Ballina upgrade travels through both the Clarence River and Richmond River regional floodplains. There are also several local catchment floodplains in these regions.
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Read more about hydrology and flooding for the Woolgoolga to Ballina upgrade
2022
- Hydrological Mitigation Report summary brochure - Glenugie to Devils Pulpit (Clarence River catchment)
- Hydrological Mitigation Report summary brochure - Devils Pulpit to Richmond River (Richmond River catchment)
- Hydrological Mitigation Report Glenugie to Devils Pulpit – Clarence River catchment -September 2022
- Hydrological Mitigation Report Devils Pulpit to Ballina – Richmond River catchment - September 2022
2021
2017
- Hydrological Mitigation Report: Glenugie to Devils Pulpit – Clarence River catchment
- Hydrological Mitigation Report: Devils Pulpit to Ballina – Richmond River catchment
2013
2012
- Environmental Impact Statement Main Volume 1A: 1-8: Hydrology and Flooding
- Environmental Impact Statement Working Papers: Parts 1-25: Hydrology and Flooding
MAPS
Extent of the Clarence River regional model and local catchment models
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Extent of the Richmond River regional model and local catchment models
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