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L'înformâtion et les sèrvices publyis pouor I'Île dé Jèrri

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Shoreline Management Plan

In June 2018 we started work on a Shoreline Management Plan for Jersey. This plan aims to ensure that our coastal defences continue to protect the island over the next 100 years.

The draft Shoreline Management Plan is now available for you to read.

Our existing sea defences and drains protect us from flooding during storms, high tides and heavy rainfall. However, rising sea levels and more rainfall will increase the risk of flooding in some areas of Jersey.

The following work has already been done in order to create the plan:

  • analysis of coastal processes, existing coastal defences and future coastal change
  • development of policies which consider different approaches to shoreline management
  • Jersey’s shoreline split into coastal management areas and sub-units for separate consideration
  • economic assessment of each policy option and understanding the implications for the community, environment and economy

The following is still to come in 2019:

  • consultation on the draft Shoreline Management Plan (July to September 2019)
  • review of consultation responses and finalising the Shoreline Management Plan (October to November 2019)
  • create an action plan (November to December 2019)

Shoreline Management Plan policy options

The Shoreline Management Plan splits the island’s shoreline into units called coastal management units (CMUs). For each CMU the risks associated with coastal flooding have been assessed and a policy option proposed for managing those risks.

The 4 policy options are:

No action intervention

A policy decision to not invest in coastal defences or maintenance work. The shoreline is left to naturally evolve without intervention. This policy will generally be applied to natural areas of the coastline which are currently undefended.

Maintain the defence line

Existing coastal defences are maintained. The level of flood protection may decrease in some locations over time due to climate change. This policy will generally be applied where the existing defences provide a reasonable standard of flood protection or prevent erosion of the shoreline.

Adaptive management

A policy to proactively manage and mitigate coastal flood or erosion risk. The policy will be delivered through various management initiatives depending on the level of risk and the circumstances. This could include improving the standard of flood protection for an existing sea defence, constructing new defences, raising awareness of local flood risk or recommending property level flood protection. 

Advance the line

New sea defences are built seaward of existing defences. This policy will only be implemented in areas where there is a significant risk of coastal flooding or erosion, or where it will deliver additional benefits for the community, environment and economy, such as creating a new amenity space.

Policy options are proposed for each of the following periods:

  • short term (next 20 years)
  • medium term (between 20 to 50 years)
  • long term (between 50 to 100 years)

Shoreline Management Plan public consultation

Between July and September 2019 we will be carrying out a public consultation on the plan. We want you to tell us what you think about the draft Shoreline Management Plan.

During July 2019 we ran a series of information sessions. You can download the Shoreline Management Plan public consultation presentation.

The consultation closes on 27 September 2019.

Your input will feed into the creation of an action plan in late 2019. The action plan will be used to develop detailed flood management schemes for specific areas which are at higher risk of flooding.

The finalised Shoreline Management Plan will feed into the Island Plan Review process.

To be kept informed about this project and the consultation, email us . Updates will also be posted on social media.

This consultation forms part of the Your island, your say campaign running summer 2019.

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