Towradgi Creek Catchment
The Towradgi Creek Catchment area includes Tarrawanna, Corrimal, East Corrimal and Towradgi.
The Northern Area Floodplain Committee provides advice to Council about issues in the Towradgi Creek Catchment area.
A Flood Study, Floodplain Risk Management Study and Plan for this catchment were completed in 2003. We reviewed the Flood Study in 2015 to include more detailed, up to date information. When Council’s Conduit Blockage Policy was updated in 2016, an addendum to the Flood Study 2015 was undertaken to take into account this Policy and recent development in the area. This Flood Study was completed in 2019. These studies were jointly funded by Council and the NSW Government.
The Flood Study (2019) provides the most up-to-date information on flooding for the catchment.
You can read the 2019 Flood Study, the 2003 Floodplain Risk Management Study and Plan, and the now superseded 2015 Review of Flood Study for this catchment in the Documents section of this page.
A review of the Floodplain Risk Management Study and Plan has not started yet.
Current Works and Projects
There are currently no works in this catchment
We’ve added a matrix for the Towradgi Creek Catchment into Chapter E13 of the Wollongong Development Control Plan PDF, 1824.81 KB. This helps people understand flood risks when they’re planning new development in the area.
Railway Street culvert works
We prepared designs to replace two pipes between Memorial Drive and 29 Railway Street, Corrimal, with a larger culvert. A cost estimate for this work was much higher than the expected benefits, so this work is not going ahead. However, we’re investigating other options to reduce the impact of flooding in this area.
North Corrimal Creek
We looked at options to improve the flow of water and reduce flooding in North Corrimal Creek downstream (south) of Railway Street, Corrimal. A detailed design is being made for the preferred option.
Railway Street Debris Control Structure
We've installed a debris control structure and finished channel works on North Corrimal Creek, immediately upstream (on the western side) of the culverts near Memorial Drive and Railway Street.
Colgong Crescent Footbridge
We replaced the footbridge over Towradgi Creek between Colgong Cresent, Towradgi, and Linga Street, East Corrimal. The new bridge is higher to improve the flow of water and reduce the amount of debris trapped under the bridge.
Tarrawanna Flood Mitigation Work
We’ve finished multiple works in Tarrawanna to improve water flow and reduce blockages from debris. This included:
- Culvert improvements in Justine Avenue
- Cutting an opening in the wall at the rear of 2 Bellambi Street to reduce the likelihood of damage from floods
- Creating a low earth mound at Cheryl Place to direct floodwater away from houses.
Lemrac Avenue Flood Mitigation Works
These works to reduce the impact of floodwaters along Lemrac Avenue south of the intersection with Willow Grove, Corrimal, included:
- Installing flood-proof walls on the boundaries of several properties to limit damage by water and debris
- Installing a debris trap and reshaping the creek
- Installing a trash rack at the inlet of the Lemrac Avenue culvert to reduce the chance of blockages.
Underwood Street Flood Mitigation Works
We’ve identified a need for multiple flood mitigation works along North Corrimal Creek between Underwood Street, Corrimal, and the area downstream of the Princes Highway. More investigation and an upgrade to the current underground drainage system is needed before we can do these works.
Nine properties in this catchment were earmarked for a voluntary purchase scheme. Three of these properties on Pioneer Road, Towradgi, have already been purchased and cleared by Council.
You can help our research and planning for floods in this catchment by sharing your past experiences.
If you have photos or other information about flooding on your property, please email us or post information to the mailing address in the footer of this page.
|PDF File||Towradgi-Creek-Flood-Study-2019-volume-1-of-2.pdf||4.7 MB|
|PDF File||Towradgi-Creek-Flood-Study-2019-volume-2-of-2.pdf||22.1 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-1-pages-1-100.pdf||21.4 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-2-pages-101-200.pdf||23.9 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-3-pages-201-300.pdf||12.4 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-4-pages-301-340.pdf||10.5 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-5-pages-341-370.pdf||28.7 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-6-pages-371-380.pdf||46.2 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-7-pages-381-390.pdf||45.8 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-8-pages-391-398.pdf||39.2 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-9-pages-399-405.pdf||40.0 MB|
|PDF File||Review-of-Towradgi-Creek-Flood-Study-Part-10-pages-406-417.pdf||37.8 MB|
|PDF File||Towradgi-Creek-Flood-Risk-Precinct-Map.pdf||284.2 KB|
|PDF File||Towradgi-Creek-Floodplain-Risk-Management-Plan.pdf||311.8 KB|
|PDF File||Towradgi-Creek-Floodplain-Risk-Management-Study-and-Plan-2003-Main-Report.pdf||27.6 MB|
|PDF File||Towradgi-Creek-Floodplain-Risk-Management-Study-and-Plan-2003-Summary-Report.pdf||7.6 MB|
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