Water Framework Directive (WFD) River Waterbody Catchments Cycle 1
type: Dataset
description: The 'WFD River Waterbody Catchments' are a polygon Shapefile dataset collated as defined for the implementation of the Water Framework Directive. Catchments are defined as an area of land from which all surface run-off flows through a series of streams, rivers and, possibly, lakes to a particular point in the water course such as a river confluence. Delineation of the river catchment boundaries primarily utilised the CEH Flow Grid hydrological model run with CEH Integrated Hydrological Digital Terrain Model (IHDTM) data so as to determine water drainage into river stretches. Upstream catchment size was calculated within an ESRI GIS environment using the extension Arc Hydro.
issued: 2025-10-14T11:09:41.132824
modified: 2025-10-14T11:09:41.132827
spatial: Location
  geometry: {"type": "Polygon", "coordinates": [[[-2.608865, 51.240829], [-5.777741, 51.240829], [-5.777741, 53.513067], [-2.608865, 53.513067], [-2.608865, 51.240829]]]}
keyword: Water Framework Directive (WFD)

Data Download and Web Services
type: Distribution
description: World Wide Web page
issued: 2025-10-14T11:09:41.133903
modified: 2025-10-14T11:09:41.128825
access URL: https://datamap.gov.wales/layers/inspire-nrw:NRW_WFD_RIVERCATCHMENT_C1

Web Mapping Service
type: Distribution
description: World Wide Web page
issued: 2025-10-14T11:09:41.133905
modified: 2025-10-14T11:09:41.128897
access URL: https://datamap.gov.wales/capabilities/layer/560/

Natural Resources Wales
type: Organization