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Compliance Assessment of Welsh River SACs against Phosphorus Targets
Revisions to Joint Nature Conservation Committee (JNCC) monitoring guidance have required Natural Resources Wales (NRW) to review its conservation objectives for river Special... -
Historic General Quality Assessment (GQA) Headline Indicators of Water Courses
The General Quality Assessment (GQA) Headline Indicator scheme or GQAHI (previously known as GQA) was the national indicator for water quality in rivers and canals. It was... -
Coastal Design - Extreme Sea Levels
This GIS dataset and supporting information providing design / extreme sea level and typical surge information around the coastline of Wales under present day conditions. This... -
Water Framework Directive (WFD) Regulations Cycle 3 Classification
This dataset shows the boundaries and baseline classification, undertaken in 2021, for The Water Framework Directive (WFD) Cycle 3. It is an update in classification for all... -
Hydropower Permits
Permits issued for Hydropower Generation sites. NRW assesses and licences hydropower schemes for the water they abstract and to protect the local and wider environment; this... -
Water Resource Availability
The Water Resource Availability data is based on a nationally consistent method and provides a national picture of Water Resource Availability for each Water Framework... -
Water resource reliability
The Resource Reliability data indicates the percentage of time additional consumptive abstraction may be available and what this means for abstraction licensing. The Resource... -
Flood Risk Forecast Application Programming Interface (API)
The flood risk forecast is produced by the Flood Forecasting Centre (FFC) on a daily basis. It is issued more frequently when serious flooding is forecast. It provides the... -
River Levels Application Programming Interface (API)
This dataset covers monitoring data that is updated on our systems on a minimum of a daily update cycle. This is increased during times of flooding etc. Measurements of the... -
Water Framework Directive (WFD) River Waterbodies Cycle 1
WFD River Waterbodies is a polyline Shapefile dataset collated as defined for the implementation of the Water Framework Directive (WFD). The river polylines were defined by... -
Restoring marine and coastal habitats in Wales: identifying spatial opportuni...
In order to better understand opportunities to build resilience in the Welsh marine environment, a report was commissioned by Natural Resources Wales to identify potential... -
Internal Drainage Districts (IDD)
Drainage districts are typically found in low-Iying land where boundaries are determined by physical, not, political attributes. Districts vary in nature and size, from the... -
Main Rivers
The statutory main river map is a 1:10,000 scale spatial (polyline) dataset that defines statutory watercourses designated by Natural Resources Wales as main rivers. The data... -
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....