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Snowy Valleys Council has engaged consultants, Lyall & Associates Consulting Water Engineers, to undertake a review of the 2014 Adelong Flood Study.
The 2014 study used computer models calibrated to flood data from the October 2010 and March 2012 flood events to define the nature of both Main Stream Flooding and Major Overland Flow in the urbanised parts of Adelong and its immediate environs.
As part of the 2025/26 Adelong Flood Study Review, the computer models will be updated to incorporate changes that have occurred to the floodplain and catchment characteristics since 2014 and used to redefine patterns of both Main Stream Flooding along Adelong Creek and its tributaries, and Major Overland Flow in the urbanised parts of the townshop and its immediate environs.
This project is supported with funding assistance from the Department of Climate Change, Energy, the Environment and Water (DCCEEW) and will be managed by Council according to the NSW Government’s Flood Prone Lands Policy.
Following the completion of the AdelongFlood Study Review, Council will commission a separate study that will include further consultation on additional measures that could be implemented to further reduce the flood risk in the township and build community resilience towards flooding through informing better planning of development, emergency management and community awareness.
Flood Risk Management Committee
Council has established a Flood Risk Management Committee to oversee the project. The committee is comprised of relevant council members, state government agencies and community representatives.
Major floods occurred in the Adleong area in 2010 and 2012, both of which were assessed as part of the 2014 Flood Study. Community members are now invited to share their post 2014 flooding experiences and local knowledge to help us better understand more recent localised flood behaviour in and around Adelong in more detail. To ensure the flood models are as accurate as possible, historical data such as observations and photos of flooding behaviour from the community is essential.
We are specifically interested in collecting records of flooding, such as photographs of flood marks or observations of flood behaviour you may have witnessed since 2014.
Snowy Valleys Council has engaged consultants, Lyall & Associates Consulting Water Engineers, to undertake a review of the 2014 Adelong Flood Study.
The 2014 study used computer models calibrated to flood data from the October 2010 and March 2012 flood events to define the nature of both Main Stream Flooding and Major Overland Flow in the urbanised parts of Adelong and its immediate environs.
As part of the 2025/26 Adelong Flood Study Review, the computer models will be updated to incorporate changes that have occurred to the floodplain and catchment characteristics since 2014 and used to redefine patterns of both Main Stream Flooding along Adelong Creek and its tributaries, and Major Overland Flow in the urbanised parts of the townshop and its immediate environs.
This project is supported with funding assistance from the Department of Climate Change, Energy, the Environment and Water (DCCEEW) and will be managed by Council according to the NSW Government’s Flood Prone Lands Policy.
Following the completion of the AdelongFlood Study Review, Council will commission a separate study that will include further consultation on additional measures that could be implemented to further reduce the flood risk in the township and build community resilience towards flooding through informing better planning of development, emergency management and community awareness.
Flood Risk Management Committee
Council has established a Flood Risk Management Committee to oversee the project. The committee is comprised of relevant council members, state government agencies and community representatives.
Major floods occurred in the Adleong area in 2010 and 2012, both of which were assessed as part of the 2014 Flood Study. Community members are now invited to share their post 2014 flooding experiences and local knowledge to help us better understand more recent localised flood behaviour in and around Adelong in more detail. To ensure the flood models are as accurate as possible, historical data such as observations and photos of flooding behaviour from the community is essential.
We are specifically interested in collecting records of flooding, such as photographs of flood marks or observations of flood behaviour you may have witnessed since 2014.
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Page last updated: 30 Mar 2026, 03:24 PM
Lifecycle
Review of previous flooding investigations
Adelong Flood Study Review has finished this stage
Review of previous flooding investigations that have been undertaken at Adelong and collection of flood data.
Seek information on flood events that have occurred post 2014
Adelong Flood Study Review is currently at this stage
Adlelong residents and business owners can assist the consultants in gathering this important information by taking the online survey
Update of the original 2014 computer models
this is an upcoming stage for Adelong Flood Study Review
Update of the computer models that were originally developed as part of the 2014 Adelong Flood Study to incorporate recent changes to the floodplain.
Redefine drainage patterns, flood levels, flow velocities and depths of inundation
this is an upcoming stage for Adelong Flood Study Review
Redefine drainage patterns, flood levels, flow velocities and depths of inundation in accordance with current national and state government guidelines.
Prepare a report which will document the findings of the investigation
this is an upcoming stage for Adelong Flood Study Review
The draft report will be placed on public exhibition following completion of the investigation seeking community feedback on its findings
