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• AIMS Channel

  An asset that conveys water

  Asset Sub-Types include: Complex Culvert, Open Channel, Simple Culvert

  See the Data Requirements Library for more detail:...

  • Published by: Environment Agency
  • Updated: 18 June 2024

• Overland Flow Pathways

  The Most Probable Overland Flow Pathway dataset is a polyline GIS vector dataset that describes the likely flow routes of water along with potential accumulations of diffuse pollution and soil...

  • Published by: Environment Agency
  • Updated: 3 January 2024

• River Habitat Survey - Survey Details and Summary Results

  This record is for Approval for Access product AfA434. "River Habitat Survey (RHS) is the Environment Agency standard for collecting data on the physical character and quality of river habitats...

  • Published by: Environment Agency
  • Updated: 5 September 2023

• Statutory Main River Map Variations

  The Statutory Main River Map Variations dataset defines proposed changes to the Statutory Main River Map.

  Statutory Main Rivers Map defines statutory watercourses in England designated as Main...

  • Published by: Environment Agency
  • Updated: 3 August 2022

• River Obstacles

  The River Obstacles dataset is an inventory of weirs, waterfalls, sluices, dams, culverts, fords and flap gates, compiled initially from digital Ordnance Survey maps and the Environment Agency's...

  • Published by: Environment Agency
  • Updated: 6 March 2021