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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... -
Urban Tree Cover 2013
This spatial dataset relates to Phase 3 (2013) and consists of 3 individual layers, being Points (individual trees), polygons (groups of trees) and urban extents (the extent of... -
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... -
Natural Resources Wales (NRW) Species Data on the NBN Atlas
Natural Resources Wales (NRW) species data held on the National Biodiversity Network (NBN) Atlas. This includes marine, terrestrial and freshwater species records for a variety... -
Water Framework Directive (WFD) Surface Water Cycle 2
This dataset is a GIS layer identifying the Surface Water Transfer (SWT) waterbodies managed under the Water Framework Directive and any related programmes. This includes SWT... -
Water Framework Directive (WFD) Canals Cycle 2
This dataset is a GIS layer identifying the canal waterbodies managed under the Water Framework Directive and any related programmes. This includes canals which are reported to... -
Water Framework Directive (WFD) Groundwaterbodies Cycle 2
Water Framework Directive (WFD) Groundwaterbodies Cycle 2 (2014-2019) is a spatial (polygon) dataset which has been created for the implementation of the Water Framework... -
Water Framework Directive (WFD) Acid Sensitive Waterbodies Cycle 2
Water Framework Directive (WFD) Acid Sensitive Waterbodies Cycle 2 (2014 - 2019) is a spatial (polygon shapefile) dataset containing attributes that have been collated as... -
Open Access - Other Statutory Access Land (CRoW Act)
The CRoW Act provides for public access on foot to certain types of land, amends the law relating to public rights of way, increases measures for the management and protection... -
Open Access - Other Dedicated Land (CRoW Act)
Dataset showing the area of land that has been dedicated under Section 16 of the CRoW Act by organisations/individuals other than Natural Resources Wales (NRW). When using this... -
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... -
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... -
Historic Flood Warnings and Flood Alerts
Listing of Severe Flood Warnings, Flood Warnings, Update Flood Warnings and Flood Alerts issued since the Floodline Warnings Direct service went live on January 26th 2006 to the... -
Water Framework Directive (WFD) Risk Assessments for Cycle 2
This dataset contains risk assessment data produced to support the cycle 2 river basin management plans. It contains - Lake water bodies - River water bodies - Transitional... -
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... -
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 may... -
Surface Water Temperature Archive up to 2007
Water temperature data is collected for different reasons and in different locations. Time series of surface water temperatures can provide indicators of climate change and... -
Environmental Permitting Regulations - Waste Sites
A waste management licence is a legal document issued under the Environmental Protection Act 1990. A licence authorises the treatment, keeping or disposal of waste in or on the... -
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... -
UK Water Quality Sampling Harmonised Monitoring Scheme Summary Data
The Historic UK Water Quality Sampling Harmonised Monitoring Scheme (HMS) data contains statistics for a series of water quality sampling sites including annual means, maximum...