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• 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

• National Forest Estate Culverts England 2016

  This dataset shows captured culverts within the national forest estate that are known to be under 1.5 meters in diameter.

  These culverts will predominantly be under forest roads but will also be...

  • Published by: Forestry Commission
  • Updated: 1 December 2015

• 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: 6 August 2025

• Main River Consultation Area

  The Main River Consultation Area defines the easement associated with the Statutory Main River Map enabling Local Planning Authorities to check when statutory consultation with the Environment...

  • Published by: Environment Agency
  • Updated: 6 December 2024

• Forestry England Bridges

  This dataset shows captured bridges and culverts over 1.5m diameter within the Nations Forests. These will generally be created and permanent in character over watercourses but sometimes roads and...

  • Published by: Forestry Commission
  • Updated: 31 December 2024

• 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

• Forestry England Fords

  This dataset shows captured fords within the National Forests.

  • Published by: Forestry Commission
  • Updated: 31 December 2024

• 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