Flooding and Stormwater Management
We are undertaking various flood and stormwater management initiatives, aimed at building a more resilient and liveable Manningham and to facilitate robust planning for the future.
This page provides information relating to the Integrated Water Management Strategy and Manningham Flood Mapping Project.
Integrated Water Management Strategy
The Manningham Flood Mapping Project will inform the development of Manningham Council’s Integrated Water Management Strategy.
This strategy will review flooding and stormwater management risks and respond to emerging challenges, including:
- population growth
- development pressure;
- climate change and associated increasing flood and drought risk.
Integrated Water Management is a collaborative approach to the way we plan for and manage all elements of the water cycle. It considers opportunities to treat stormwater as a resource, rather than a waste for disposal.
The Integrated Water Management Strategy will identify opportunities to reduce reliance on potable water, consider alternative water sources and contribute to planning for a resilient and liveable Manningham.
Integrated Water Management: Why, What, How?
An animated video by DELWP and Clearwater to demonstrate how Integrated Water Management can help all Victorians.
Manningham Flood Mapping Project
Under Regulation 148 of the Building Regulations 2018, Council is now required to prepare mapping for areas under its control that are liable to flooding.
Planned for completion in 2025, the Manningham Flood Mapping Project is being delivered by Melbourne Water and Manningham Council.
It will provide maps indicating flood extents for the regional and local drainage networks in Manningham, for a range of probable storm events.
Flood mapping involves computer modelling, which simulates how stormwater runoff travels through catchments.
Current and reliable flood mapping information is essential to understand and manage flood risk. It is used to:
- assess the frequency, severity and location of flood risks within catchments
- better plan and prioritise mitigation activities
- plan for future development
- build community awareness; and
- inform emergency management planning.
The flood mapping process will also be informed by the latest available data and guidance recommended under the 2019 version of Australian Rainfall and Runoff.
A new Stormwater Management Strategy for Manningham
We’re developing a Stormwater Management Strategy to help identify, manage and reduce flood risk to people, property, infrastructure and the environment.
The Strategy will guide our planning and investment in the long-term Capital Works Program to support a healthy, safe and resilient community.
Questions?
Please leave your question below using our Q&A tool, or contact Council on 9840 9333, or at manningham@manningham.vic.gov.au.
We are undertaking various flood and stormwater management initiatives, aimed at building a more resilient and liveable Manningham and to facilitate robust planning for the future.
This page provides information relating to the Integrated Water Management Strategy and Manningham Flood Mapping Project.
Integrated Water Management Strategy
The Manningham Flood Mapping Project will inform the development of Manningham Council’s Integrated Water Management Strategy.
This strategy will review flooding and stormwater management risks and respond to emerging challenges, including:
- population growth
- development pressure;
- climate change and associated increasing flood and drought risk.
Integrated Water Management is a collaborative approach to the way we plan for and manage all elements of the water cycle. It considers opportunities to treat stormwater as a resource, rather than a waste for disposal.
The Integrated Water Management Strategy will identify opportunities to reduce reliance on potable water, consider alternative water sources and contribute to planning for a resilient and liveable Manningham.
Integrated Water Management: Why, What, How?
An animated video by DELWP and Clearwater to demonstrate how Integrated Water Management can help all Victorians.
Manningham Flood Mapping Project
Under Regulation 148 of the Building Regulations 2018, Council is now required to prepare mapping for areas under its control that are liable to flooding.
Planned for completion in 2025, the Manningham Flood Mapping Project is being delivered by Melbourne Water and Manningham Council.
It will provide maps indicating flood extents for the regional and local drainage networks in Manningham, for a range of probable storm events.
Flood mapping involves computer modelling, which simulates how stormwater runoff travels through catchments.
Current and reliable flood mapping information is essential to understand and manage flood risk. It is used to:
- assess the frequency, severity and location of flood risks within catchments
- better plan and prioritise mitigation activities
- plan for future development
- build community awareness; and
- inform emergency management planning.
The flood mapping process will also be informed by the latest available data and guidance recommended under the 2019 version of Australian Rainfall and Runoff.
A new Stormwater Management Strategy for Manningham
We’re developing a Stormwater Management Strategy to help identify, manage and reduce flood risk to people, property, infrastructure and the environment.
The Strategy will guide our planning and investment in the long-term Capital Works Program to support a healthy, safe and resilient community.
Questions?
Please leave your question below using our Q&A tool, or contact Council on 9840 9333, or at manningham@manningham.vic.gov.au.
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It's National Water Week - here's how you can get involved
Share It's National Water Week - here's how you can get involved on Facebook Share It's National Water Week - here's how you can get involved on Twitter Share It's National Water Week - here's how you can get involved on Linkedin Email It's National Water Week - here's how you can get involved linkThis National Water Week (21-27 October), we’re encouraging Manningham households to take part in Target 150.
Target 150 is a voluntary water-efficiency initiative to get us thinking about how much water we use. It encourages us to limit our water consumption to 150 litres per person, per day.
For most people, this means only saving another two litres of water – less than half a bucket of water a day. Simple changes to our every day habits, such as only running the dishwasher when it’s full, can help conserve water.
Check your water bill to see if you’re hitting the target and try these water saving tips:
- shorten your shower time by one minute
- brush your teeth with the tap off
- fix any leaks
- scrape plates instead of rinsing them, before loading the dishwasher
- place a container in the sink to catch water when preparing vegetables or washing fruit
- use a broom to sweep the driveway, instead of using a hose.
Melbourne’s population growth means we’ll likely need to double our water supply in the next 50 years. Our climate is changing with hotter and drier weather forecast. Climate change makes rainfall less reliable and reduces river flows.
Melburnians are already using more water on average each year than flows into our storages, with desalinated water meeting this gap.
Water is life and by changing behaviours to save water amongst a range of other actions, we can all contribute to the achievement of a sustainable water future.
Read more tips and tricks to save water here
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It’s National Water Week – what’s happening in Manningham?
Share It’s National Water Week – what’s happening in Manningham? on Facebook Share It’s National Water Week – what’s happening in Manningham? on Twitter Share It’s National Water Week – what’s happening in Manningham? on Linkedin Email It’s National Water Week – what’s happening in Manningham? linkWater is a valuable resource and plays a vital role in connecting us all. It is fundamental to the health and wellbeing of our community, as well as the resilience and liveability of Manningham.
National Water Week (16-22 October) celebrates water innovation and achievements supporting Australia's sustainable future.
We are undertaking various flood and stormwater management initiatives, aimed at building a more resilient and liveable Manningham and to facilitate robust planning for the future.
This includes developing a draft Integrated Water Management Strategy, which will identify opportunities to adapt to a more water constrained future. We’re also undertaking flood mapping for Manningham in partnership with Melbourne Water to better understand flood risk.
Water management is a shared responsibility. To achieve greater environmental, social, cultural and economic benefits, we’re working closely with:
- Yarra Valley Water
- Melbourne Water
- government departments and agencies
- Manningham’s Flooding and Stormwater Management Community Reference Panel, and;
- the broader community.
Manningham Council is also a member of the Yarra Catchment Integrated Water Management Forum. The Forum provides a collaborative platform across the water industry to oversee, support and, where necessary, facilitate water’s contribution to resilience and liveability.
We can all contribute to a sustainable water future.
We encourage you to take a look Yarra Valley Water’s Target 155 voluntary water efficiency program. Target 155 encourages metropolitan Melbourne households to use water efficiently, aiming to limit water use to 155 litres per person per day.
We also welcome Yarra Valley Water’s plans to address discharge from ageing septic systems, which contribute to pollution in Mullum Mullum Creek. This will improve water quality in Mullum Mullum Creek and downstream in the Yarra River. A piped sewerage system is proposed to be constructed in a key area of Park Orchards by 2030. For more information, visit yvw.com.au/ParkOrchards.
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Building our resilience through water management
Share Building our resilience through water management on Facebook Share Building our resilience through water management on Twitter Share Building our resilience through water management on Linkedin Email Building our resilience through water management linkWater is fundamental to the health and wellbeing of our community and the liveability of Manningham.
Southern Australia is forecast to receive less annual rainfall on average in coming years. This will reduce water availability from water supply catchments. Water demand is also expected to increase as our City grows.
Yet, our changing climate is also expected to bring greater intensity rainfall events, increasing our flood risk and periods of low rainfall with increased drought risk.
We’re working on various flood and stormwater management initiatives to build a more resilient and liveable Manningham.
Part of this work includes developing a draft Integrated Water Management Strategy. It will respond to emerging water challenges and identify opportunities to adapt to a more water constrained future.
Earlier this year, we invited the community to take part in Manningham’s Water Future survey. Thank you to those of you who shared how you use and conserve water and why it’s important to you.
Your responses paint a picture of a community that strongly values the Birrarung (the Yarra River) and our creeks, our environment and wildlife.
The top three reasons why the Birrarung (Yarra River) and Manningham creeks and lakes are important to survey respondents were:
- They provide wildlife habitat and support biodiversity.
- Promote connections with nature to support mental health and wellbeing..
- Assist with cooling during hot weather and improve neighbourhood liveability.
You also told us some of the ways you’re already taking action to build our resilience and conserve water.
- 98% of respondents use front load washing machines, use dual flush toilets or only run washing machines with full loads.
- 41% of respondents use rainwater collected from private roofs for watering gardens, toilet flushing, carwashing and other uses.
- More than 85% of respondents also support the use of alternative water sources for garden watering, toilet flushing and laundry purposes.
These opportunities will be a key focus of the draft Integrated Water Management Strategy, which will be available for public exhibition in mid-2024.
More information:
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Integrated water management consultant appointed
Share Integrated water management consultant appointed on Facebook Share Integrated water management consultant appointed on Twitter Share Integrated water management consultant appointed on Linkedin Email Integrated water management consultant appointed linkE2 Design Pty Ltd, trading as E2Designlab, has been appointed to assist us in developing Manningham’s Integrated Water Management Strategy.
An increasing population and changing climate are putting growing pressure on our water supplies.
This strategy will review flooding and stormwater management risks and respond to emerging challenges, including:
- population growth
- the forecast for reducing annual average rainfall moving forward;
- increasing flood and drought risk.
It will identify opportunities to reduce reliance on potable water, harness alternative water sources and contribute to planning for a resilient and liveable Manningham.
E2Designlab will assist with data gathering to:
- inform integrated water management targets for Manningham
- undertake investigations into potential integrated water management capital works improvements
- provide technical advice, identify and assess opportunities to inform the development of an action plan.
At its June meeting, Council endorsed a revised version of the Integrated Water Management Strategy Implementation Plan, including the following changes:
- referral of some actions to now be addressed though the development of the proposed Stormwater Management Strategy.
- updated reflection of State Government planning to advance Integrated Water Management in Victoria and the Yarra catchment including the recently received transition report.
- updates to the project communications approach and program.
We are also working alongside the Flooding and Stormwater Management Community Reference Panel (CRP) in the development of the strategy. The CRP has recently contributed to identifying and prioritising drivers for integrated water management for Manningham.
Once finalised, the drivers will guide the CRP and Council in developing a draft vision for integrated water management in Manningham.
The draft Integrated Water Management Strategy will be publicly exhibited in mid-2024, before final adoption early in 2025.
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Flooding and Stormwater Management Community Reference Panel Meeting 4
Share Flooding and Stormwater Management Community Reference Panel Meeting 4 on Facebook Share Flooding and Stormwater Management Community Reference Panel Meeting 4 on Twitter Share Flooding and Stormwater Management Community Reference Panel Meeting 4 on Linkedin Email Flooding and Stormwater Management Community Reference Panel Meeting 4 linkThe fourth meeting of the Flooding and Stormwater Management Community Reference Panel (CRP) was held on 31 May 2023.
The CRP is helping to guide the development of the Manningham Flood Mapping Project and Integrated Water Management Strategy.
Summary of Flooding and Stormwater Management CRP Meeting 4 minutes:
- The focus of the meeting was on responding to questions previously raised by community members.
- Key differences between the previous and current flood mapping projects were presented, as well as a briefing on land use planning.
- Officers advised that it is proposed to develop a Flood (Stormwater) Management Strategy in parallel with the flood mapping and development of the Integrated Water Management Strategy. This strategy is proposed to be reviewed once the newly mapped flood extents have been developed.
- The CRP was also advised that:
- Afflux consulting was appointed to progress the local catchment flood mapping.
- Council would consider the updated Integrated Water Management Strategy Implementation Plan at its June meeting.
All meeting minutes will be available on the Your Say Manningham Flooding and Stormwater Management page.
More information
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Flooding and Stormwater Management Community Reference Panel Meeting 3
Share Flooding and Stormwater Management Community Reference Panel Meeting 3 on Facebook Share Flooding and Stormwater Management Community Reference Panel Meeting 3 on Twitter Share Flooding and Stormwater Management Community Reference Panel Meeting 3 on Linkedin Email Flooding and Stormwater Management Community Reference Panel Meeting 3 linkThe third meeting of the Flooding and Stormwater Management Community Reference Panel (CRP) was held on 29 March 2023.
Together with the CRP, we’re working to better understand and address increasing challenges to water management, including climate change, development pressure and population growth.
The CRP is helping to guide the development of the Manningham Flood Mapping Project and Integrated Water Management Strategy.
Summary of Flooding and Stormwater Management CRP Meeting 3 minutes:
- Luke Cunningham of Rain Consulting Pty Ltd delivered a presentation on ‘Flood Modelling Methodology and Mapping’, followed by a Q&A session.
- Feedback was sought from the Panel on the best ways for Council to communicate and engage with our diverse community on these complex issues.
- A range of questions were raised relating to:
- how the current project differs from the previous flood mapping project
- how the flood mapping will consider climate change impacts
- questions around a potential Planning Scheme Amendment; and,
- other matters.
- These questions will be addressed at the May 2023 Community Reference Panel meeting.
All meeting minutes will be available on the Your Say Manningham Flooding and Stormwater Management page.
More information
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Flood mapping consultant appointed
Share Flood mapping consultant appointed on Facebook Share Flood mapping consultant appointed on Twitter Share Flood mapping consultant appointed on Linkedin Email Flood mapping consultant appointed linkAfflux Consulting Pty Ltd has been awarded the Manningham Flood Mapping contract. The project scope includes the modelling and mapping of flood extents, flow depths and velocities for Council extents for a range of scenarios.
The Manningham Flood Mapping Project is being delivered by Manningham Council and Melbourne Water. This project will provide maps indicating flood extents for the regional and local drainage networks in Manningham. The flood mapping process will also be informed by the latest available data and guidance recommended under the 2019 version of Australian Rainfall and Runoff.
Current and reliable flood mapping information is essential to understand and manage flood risk. It can be used to:
- assess the frequency, severity and location of flood risks within catchments
- better plan and prioritise mitigation activities
- plan for future development
- build community awareness; and
- inform emergency management planning.
Melbourne Water has appointed Jacobs consultants to undertake flood mapping for the regional flood extents.
We are working alongside the Flooding and Stormwater Management Community Reference Panel (CRP) in the development of the flood mapping.
Modelled flood extents will be publicly exhibited late in 2024.
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Building our resilience through water management
Share Building our resilience through water management on Facebook Share Building our resilience through water management on Twitter Share Building our resilience through water management on Linkedin Email Building our resilience through water management linkWe’re inviting the community to help prepare for Manningham’s future by sharing how you use and conserve water, and why it’s important to you via ‘Manningham's water future’ survey.
We rely on water for our personal health and household needs, as well as for creating and sustaining the ecosystems. It's integral to food production, energy, health and wellbeing, economic activity, social stability and human life.
Southern Australia is forecast to receive less annual rainfall, reducing water availability from water supply catchments and increasing drought risk.
Conversely, the changing rainfall patterns are also anticipated to bring greater intensity rainfall events, which will increase flood risk.
Your responses will help us better understand community views, priorities, needs and expectations relating to Manningham’s water. We will also use this information to inform how we engage with and deliver information to you on water matters in the future.
We’re undertaking various flood and stormwater management initiatives, aimed at building a more resilient and liveable Manningham. Part of this work includes developing a draft Integrated Water Management Strategy, which will be available for public exhibition in mid-2024. This strategy will respond to emerging water risks and challenges and identify opportunities to adapt to a more water constrained future
The survey closes 5 June 2023. You will have the opportunity to enter the draw to win a $100 Westfield gift voucher.
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Manningham’s water future survey, coming soon
Share Manningham’s water future survey, coming soon on Facebook Share Manningham’s water future survey, coming soon on Twitter Share Manningham’s water future survey, coming soon on Linkedin Email Manningham’s water future survey, coming soon linkHelp us prepare for the City's future by telling us how you use and conserve water and why it’s important to you.
Survey opens 24 April 2023.
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Flooding and Stormwater Management Community Reference Panel Meeting 2
Share Flooding and Stormwater Management Community Reference Panel Meeting 2 on Facebook Share Flooding and Stormwater Management Community Reference Panel Meeting 2 on Twitter Share Flooding and Stormwater Management Community Reference Panel Meeting 2 on Linkedin Email Flooding and Stormwater Management Community Reference Panel Meeting 2 linkThe Flooding and Stormwater Management Community Reference Panel (CRP) held its second meeting on 15 December 2022.
Together with the CRP, we’re working to better understand and address increasing challenges to water management arising from climate change, development pressure and population growth.
This meeting focused primarily on undertaking some preliminary work, which will help guide our approach in developing the Integrated Water Management Strategy.
The CRP was tasked to identify and prioritise drivers for integrated water management for Manningham. This list will be further refined by the CRP at upcoming meetings, with consideration of other stakeholder feedback.
Once finalised, the drivers will guide the CRP to develop a draft vision for integrated water management in Manningham.
The CRP will help guide the development of the Manningham Flood Mapping Project and Integrated Water Management Strategy.
All meeting minutes will be available on the Your Say Manningham Flooding and Stormwater Management page.
Flooding and Stormwater Management Community Reference Panel Meeting 2 - 15 December 2023 - Minutes
The next meeting will be held on Wednesday 29 March 2023.
View this page and get information in your language
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Documents
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Water cycle in an urban environment - factsheet
- Water Cycle in an urban environment - factsheet.pdf (449 KB) (pdf)
- Arabic_Water Cycle in an urban environment - factsheet.pdf (336 KB) (pdf)
- Chinese (Simplified)_Water Cycle in an urban environment - factsheet.pdf (309 KB) (pdf)
- Chinese (Traditional)_Water Cycle in an urban environment - factsheet.pdf (320 KB) (pdf)
- Farsi_Water Cycle in an urban environment - factsheet.pdf (320 KB) (pdf)
- Greek_Water Cycle in an urban environment - factsheet.pdf (311 KB) (pdf)
- Italian_Water Cycle in an urban environment - factsheet.pdf (252 KB) (pdf)
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Integrated Water Management - factsheet
- Integrated Water Management - factsheet.pdf (623 KB) (pdf)
- Arabic_Integrated Water Management - factsheet.pdf (234 KB) (pdf)
- Chinese (Simplified)_Integrated Water Management - factsheet.pdf (255 KB) (pdf)
- Chinese (Traditional)_Integrated Water Management - factsheet.pdf (266 KB) (pdf)
- Farsi_Integrated Water Management - factsheet.pdf (236 KB) (pdf)
- Greek_Integrated Water Management - factsheet.pdf (249 KB) (pdf)
- Italian_Integrated Water Management - factsheet.pdf (199 KB) (pdf)
- Integrated Water Management Strategy
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Flooding and Stormwater Management - Community Reference Panel
- Minutes Community Reference Panel Meeting # 4 - 31 May 2023.pdf (165 KB) (pdf)
- Minutes Community Reference Panel Meeting # 3 - 29 March 2023.pdf (143 KB) (pdf)
- Minutes Community Reference Panel (CRP) Meeting # 2 - 15 December 2022.pdf (170 KB) (pdf)
- Minutes Community Reference Panel (CRP) Meeting #1- 9 November 2022.pdf (152 KB) (pdf)
- Community Reference Panel Terms of Reference - May 2022.pdf (141 KB) (pdf)
- Flooding and Stormwater Management Community Reference Panel - overview.pdf (95.6 KB) (pdf)
- General
- Stormwater Management Strategy FAQs_June 2024.pdf (224 KB) (pdf)
FAQs - Please note the FAQs may be amended to provide further information or clarity as required.
- Integrated Water Management Strategy
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Flood Overlay FAQs
- What are the respective responsibilities of Melbourne Water and Manningham Council?
- Why does flooding occur?
- What is a flood overlay?
- What is a Special Building Overlay (SBO)?
- Why has a flood overlay been applied to my property?
- How can my property be considered subject to flooding when it has never flooded?
- What is a 1% AEP storm event?
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Manningham Flood Mapping Project FAQs
- What is flood mapping?
- What is a catchment?
- Why is Manningham Council planning to undertake flood mapping?
- How is fit for purpose flood mapping achieved?
- How will the Manningham Flood Mapping Project be delivered?
- How are overland flows generated?
- What are the respective responsibilities of Melbourne Water, Council and property owners in drainage management?
- How does flooding occur?
- What is the difference between riverine and flash flooding?
- Why is Council using different flood mapping methodology to Melbourne Water?
- How will the approach to the Manningham Flood Mapping Project vary from Council’s previous flood mapping project?
- What is LiDAR data and does it provide a suitable basis for flood mapping?
- Will the community have the opportunity to comment on the flood mapping results?
- Council resolved at its 27 September 2017 meeting to invest a total of $10.8 million in drainage upgrades over the following four (4) years. How is Council tracking with this commitment?
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Planning Scheme Amendment Process
- What is a Planning Scheme Amendment?
- Will there be any new flood management overlays applied to the Manningham Planning Scheme as a result of the Manningham Flood Mapping Project?
- If Council did initiate a new planning scheme amendment process, could properties affected by Planning Scheme Amendment C137mann be impacted?
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Community Reference Panel
- What is the purpose of the Community Reference Panel (CRP)?
- What is the role of the Community Reference Panel (CRP)?
- What are the criteria for the selection of CRP members?
- What are the relevant dates for the Expression of Interest period?
- How do I lodge an Expression of Interest?
- How frequently will meetings be held and what is the anticipated term of the CRP?
- What assistance can Council provide to meet specific CRP member needs?
Glossary
This glossary provides definitions for technical terms that may be used in communications across our flooding and stormwater management initiatives.
Glossary
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Glossary
- Aboriginal Victorians
- Algal blooms
- Assets
- Biodiversity
- Catchment
- Climate change
- Climate change mitigation
- Community
- Connectivity
- Ecosystem
- Environmental water
- Fit for purpose (water quality)
- Flash flooding
- Floodplain
- Flow
- Green-blue infrastructure
- Greenfield land
- Groundwater
- Heritage River Area
- Impervious area
- Infill
- Infrastructure
- Integrated water management (IWM)
- Liveability
- Open space
- Potable
- Project
- Rainwater
- Recycled water
- Riparian
- Riverine flooding
- Runoff
- Sewage
- Sewerage
- Stormwater
- Stormwater flooding
- Traditional Owners
- Urban greening
- Urban heat-island effect
- Urban renewal
- Urban water cycle
- Use (water use)
- Wastewater
- Water infrastructure
- Water sensitive urban design (WSUD)
- Waterways
- Wetlands
Acknowledgment
Glossary terms and definitions have been sourced from the Yarra Strategic Directions Statement, September 2018 (Department of Energy, Environment and Climate Action - DEECA)
Flooding and Stormwater Management Community Reference Panel members
Chair:
Councillor Carli Lange
Community Reference Panel members:
Maurice Burley
Tim Curmi
Robyn Gillespie
Paul Harris
Don Hughes
Ken Keam
Sarah Moser
Peter Sommerville
Vincent Testa
Councillor representatives:
Councillor Geoff Gough
Councillor Stephen Mayne
Facilitator:
Nicola Mendleson, Mendleson Engagement and Communication