Birregurra Flood & Drainage Strategy

  • Project typeFlood & Drainage Strategy
  • Completion Date28 February 2021

The Birregurra Flood and Drainage Strategy 2021 (the study) is a joint study between the Colac Otway Shire Council, Corangamite Catchment Management Authority (CCMA) and the Department of Environment, Land, Water and Planning (DELWP). 

Land affected

The flood study affects land within the urban area of Birregurra township.  Flood mapping is included within the study document.

What the study does

The study seeks to gain a better understanding of the flood behaviour affecting the Birregurra township and the associated structural and non-structural mitigation measures which could be implemented to reduce impacts on existing developments and future proposed developments. The flood study has used the latest information, technology and methods to model the extent of and impact of flooding in Birregurra.  The study also provides guidance on how flooding in Birregurra can be addressed through drainage infrastructure improvements and applying planning controls to direct appropriate development to where the risk from flooding is considered to be acceptable.

There are already flood based planning controls in Birregurra.  The study recommends that these existing controls be updated to reflect the newly mapped flood risk.  A planning scheme amendment is required to update existing or insert new flood overlays in the Colac Otway Planning Scheme.  This will ensure that the most up-to-date flood mapping is reviewed when property owners and Council make decisions on land use and development in Birregurra.  An amendment can also allow for a greater number of planning permit exemptions for new works that do not increase the flood risk, when compared with the current planning scheme provisions.


A copy of the draft Birregurra Flood and Drainage Strategy 2021 (Exhibition Version) is found here - Birregurra Flood Study - Detailed Report

Frequently Asked Questions

A response to frequently asked questions is found here - Birregurra Flood Study - FAQ

Next steps

Council will consider the Birregurra Flood and Drainage Strategy 2021 at its meeting on 28 April 2021.  A copy of the officer report to this meeting is found here - Officer Summary 


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