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Working with Natural Processes (WWNP) in Wales: Runoff Attenuation Features 3.3% AEP
Runoff Attenuation Features Potential is our best estimate of locations of high flow accumulation across the land surface or in smaller channels, where it may be possible to... -
Working with Natural Processes (WWNP) in Wales: Runoff Attenuation Features 1% AEP
Runoff Attenuation Features Potential is our best estimate of locations of high flow accumulation across the land surface or in smaller channels, where it may be possible to... -
Historic LIDAR Archive
Light Detection and Ranging (LIDAR) is an airborne mapping technique, which uses a laser to measure the distance between the aircraft and the ground. Up to 100,000 measurements... -
LIDAR terrain and surfaces models Wales
This dataset shows the extent of data in each individual tile that went into the merging process to create the LIDAR Composite DSM & DTM. Light Detection and Ranging (LIDAR)... -
UK Water Quality Sampling Harmonised Monitoring Scheme Detailed Data
The Historic UK Water Quality Sampling Harmonised Monitoring Scheme (HMS) dataset contains individual determinand results for all sites in the UK Harmonised Monitoring Scheme... -
Water Framework Directive (WFD) River Basin Districts Cycle 2
Water Framework Directive (WFD) River Basin Districts (RBD) is a polygon Shapefile dataset containing attributes that have been collated as defined for the implementation of the... -
Urban Waste Water Treatment Directive (UWWTD) Sensitive Areas - Nitrates
This dataset is a shapefile showing the extent of Urban Wastewater Treatment Directive (91/271/EEC) (UWWTD) sensitive areas (nitrate). The Urban Wastewater Treatment Directive... -
Flood Map: Areas Benefiting from Flood Defences
This dataset has been replaced by the new Areas Benefitting from Flood Defences displayed within the Flood Risk Assessment Wales (FRAW) map (NRW_DS124843). An Archive version of... -
Seabirds at Sea Evidence Base
GIS layers showing the abundance and distribution of seabirds in welsh waters. The datasets consists of the raw data showing observations of all seabirds and derived grids... -
LANDMAP Visual and Sensory
LANDMAP is a unique national information system, devised by the former Countryside Council for Wales, allowing information about landscape in Wales to be collected and organised... -
LANDMAP Landscape Habitats
LANDMAP is a unique national information system, devised by the former Countryside Council for Wales (CCW), allowing information about landscape in Wales to be collected and... -
Consented Discharges to Controlled Waters with Conditions
This dataset provide details of permit details as required under the Environmental Permit Regulations. Information is held for all permit holders and covers all substances that... -
River Habitat Survey (RHS) and Plant Community survey data of the River Wye SAC 2024
In 2024, a River Habitat Survey (RHS), Simplified Phase 1 survey and LEAFPAC aquatic macrophyte survey was carried out on the River Wye Special Area of Conservation (SAC). This... -
Water Framework Directive (WFD) River Waterbody Catchments Cycle 1
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... -
Consented Discharges to Controlled Waters with Conditions
This dataset provide details of permit details as required under the Environmental Permit Regulations. Information is held for all permit holders and covers all substances that... -
Risk of Flooding from Rivers and Seas (RoFRS)
This is a national assessment of flood risk for Wales produced using local expertise. The dataset shows the chance of flooding from rivers and/or the sea, based on cells of 50... -
Live Flood Warnings and Alerts API Data
Flood Warnings are provided by the constant monitoring of stations and forecasting flooding from rivers or the sea: - Severe Flood Warning: Severe flooding. Danger to life. -... -
Water Framework Directive (WFD) River Basin Districts Cycle 1
Water Framework Directive (WFD) River Basin Districts Cycle 1 is a spatial (polygon) dataset containing attributes that have been collated as defined for the implementation of... -
Assessing Welsh Aquaculture Activities
The two AWAA Interactions Spreadsheets in Excel present the potential sensitivity of biotopes (components of habitats) and species (designated within MPAs, SSSIs or included... -
Natural Resources Wales (NRW) Woodland sub-compartment data
The NRW Woodland Sub-compartment Database (SCDB) is to be our authoritative data source, giving us information for recording, monitoring, analysis and reporting which supports...