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Newark & Sherwood Plan Review - Publication Amended Core Strategy

Local Drainage Designation

5.47     As a result of recent flood events across the District, most significantly in the Lowdham and Southwell areas in July 2013, the way in which the drainage impact is addressed has been considered through the review and update of the Strategic Flood Risk Assessment (SFRA).

5.48     Whilst it was concluded that formal Critical Drainage Area designations would not be appropriate for the Southwell and Lowdham areas, the SFRA has nonetheless recommended the development of Local Drainage Designations (LDD). In respect of Southwell this would take account of Neighbourhood Plan policies concerning the management of flood risk.

5.49     The need for these designations can be clearly evidenced as a result of the severity of recent flood events, and the ongoing work of both the Environment Agency (in respect of the Lowdham area) and the Lead Local Flood Authority (with regards to Southwell). There will however still need to be further investigation and consideration given to the following before they can be introduced:

  • The geographic area to be covered by the designation, taking account of topography, the network of watercourses, hydrological processes, ground conditions and existing drainage infrastructure;
  •  The forms of development that would be subject to the designations; and
  • The local drainage standards which would apply.

5.50     Whilst Core Policy 10A establishes the principal of Local Drainage Designations the details for their operation will be provided through a Supplementary Planning Document (SPD). Where the evidence to support the development of additional Local Drainage Designations in other locations emerges then the District Council will work with partners, to secure their introduction and subsequent implementation, in line with the above

Core Policy 10A

Local Drainage Designations

In order to ensure the appropriate management of flood risk as part of new development, the District Council will work with partners to develop Local Drainage Designations in the following locations:

  • Lowdham; and
  • Southwell

These designations will set local drainage standards which specified forms of new development will be required to meet. This is to ensure that development positively manages its surface water run-off through the design and layout of new development, in order that there will be no unacceptable Impact from run-off on surrounding areas or the existing drainage regime.

The geographic extent, forms of development which will be subject to the designation and the specific standards that proposals will need to meet will be defined through a Local Drainage Designations Supplementary Planning Document.

Where the evidence to support the development of additional Local Drainage Designations in other locations emerges then the District Council will work with partners, to secure their introduction and subsequent implementation, in line with the above.