Hydrological sections for England, Scotland and Wales with associated river catchment 2023, Water Framework Directive (WFD) waterbody and regional information British National Grid (BNG). dataset https://portal.medin.org.uk/portal/start.php?tpc=009_CEFAS25b3c957-41d2-49ab-b158-90b8bcd8ad48 This dataset consists of hydrologically defined sections (polygons) for the whole of Great Britain including river channels and coastal areas up to the mean high water line for England and Wales. Each section has the following attributes: - The devolved administration(s) the section is within - The area of the section that is contained within the devolved administration(s) - The regional administration (from the Ordnance Survey Boundary Line) that the majority of the section is within - The river catchment that the section is within. These are the existing Fish Health Inspectorate (FHI) catchment boundaries, new England and Wales catchments to ensure complete coverage of England and Wales, and the Scottish Environmental Protection Agency (SEPA) catchments. - The waterbody river basin district ID and waterbody ID for England and Wales from the Water Framework Directive. There are 2 versions of this dataset in a geographical coordinate reference system (CRS) (EPSG 4236 - WGS84) see `Hydrological sections for England, Scotland and Wales with associated river catchment 2023, Water Framework Directive (WFD) waterbody and regional information (WGS84)`_* *and this dataset in a projected CRS BNG (EPSG 27700). .. _`hydrological sections for england, scotland and wales with associated river catchment 2023, water framework directive (wfd) waterbody and regional information (wgs84)`: https://data.cefas.co.uk/view/21968 20240730 20231206