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Ōmokoroa has experienced ongoing land stability issues for many years, with recent weather events highlighting the vulnerability of some parts of the Peninsula to slips and land movement.
Council is working to better understand the factors contributing to these issues so we can make informed decisions about how best to manage these risks into the future.
We know land slips don't happen for one reason alone. Geology, groundwater, rainfall, development and stormwater all influence how land behaves. Technical advice indicates stormwater soakholes may be one contributing factor in some parts of the Peninsula.
Before deciding what to do, we need to understand what we're dealing with.
Council does not currently have complete records of where stormwater soakholes exist across the Peninsula, so we're working to identify where they are and build a clearer picture.
Over September-October 2026, we’re visiting properties within the project catchment to check whether they have a stormwater soakhole and, if so, gather some basic information about it.
The information gathered during this stage will be combined with other technical investigations to help build a better understanding of the area and inform future decisions and planning.
Ōmokoroa has experienced ongoing land stability issues for many years, with recent weather events highlighting the vulnerability of some parts of the Peninsula to slips and land movement.
Council is working to better understand the factors contributing to these issues so we can make informed decisions about how best to manage these risks into the future.
We know land slips don't happen for one reason alone. Geology, groundwater, rainfall, development and stormwater all influence how land behaves. Technical advice indicates stormwater soakholes may be one contributing factor in some parts of the Peninsula.
Before deciding what to do, we need to understand what we're dealing with.
Council does not currently have complete records of where stormwater soakholes exist across the Peninsula, so we're working to identify where they are and build a clearer picture.
Over September-October 2026, we’re visiting properties within the project catchment to check whether they have a stormwater soakhole and, if so, gather some basic information about it.
The information gathered during this stage will be combined with other technical investigations to help build a better understanding of the area and inform future decisions and planning.
If you already know whether or not your property has a stormwater soakhole, you’re welcome to let us know by emailing omokoroa.soakholes@westernbay.govt.nz. We won't need to visit properties we hear from ahead of time.
