The Shepparton Mooroopna 1% AEP Flood Mapping Project supersedes the flood modelling undertaken to produce the Shepparton Mooroopna Flood Mapping and Flood Intelligence Project, which was adopted by Greater Shepparton City Council in March 2019.
LiDAR creates accurate topography by firing a laser and measuring the time for the reflected light to return, and has led to significant improvements in flood modelling technology.
The updated flood modelling allows Goulburn Broken Catchment Management Authority and the council to prepare revised flood mapping for the study area that would need to be implemented in the Greater Shepparton Planning Scheme via a proposed planning scheme amendment.
Although the LiDAR data became available in 2019, the update was delayed due to the need for a flood study at Murchison to reconcile hydrologic data and to reach agreement between authorities on calibration of the 1974, 1993 and 2010 flood events.
Cr Shane Sali said the release of the updated modelling was an opportunity for property owners to assess the impact on their properties and any impact it might have on their ability to develop.
Councillors voted at the February 15 council meeting to adopt the report and prepare and exhibit a planning scheme amendment to include the findings and recommendations.
“Personally, I question the overly cautious approach in this study, but the advice I have is that we have to do this every two years as a government requirement,” Cr Sali said.
“Most importantly, all property owners will have a chance to provide feedback during the planning scheme amendment stage.”
Cr Geoff Dobson said the area was well known for being prone to flooding.
“It is very important this council and its partners get this flood study right and it is a statutory requirement, but I do agree with the comments of Cr Sali,” he said.
Cr Anthony Brophy said new technology meant we were better informed than ever but he said it may also mean some property owners were more impacted than others.
Cr Sam Spinks agreed some landholders would be impacted positively and some negatively.
“There will be opportunity for individual landholders to put in submissions, this comes down to people knowing the lay of their own land, and there will be the opportunity for people to provide that through the process,” she said.
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