401 datasets found

A detailed GIS analysis of land use, Phase 1 habitats, National Vegetation Classification (NVC) community data, soils and designated sites for the River Wye catchment within the...

Special Areas of Conservation (SACs) and Special Protection Areas (SPAs) are protected and designated sites under the EC Habitats and Birds Directives. The Directives list...

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...

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 water...

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...

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...

The River Quality Objectives (RQO) classification was used for planning water quality improvements until 2006 when the scheme ended. The national RQO classification scheme...

This dataset has been discontinued. Please see the datasets - Large Raised Reservoir register (Locations and undertakers) and Large Raised Reservoir (Registered information)...

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...

The surface water flood maps give an indication of the broad areas likely to be at risk of surface water flooding. This includes flooding that takes place from the surface...

Nitrate Vulnerable Zones (NVZs) were areas within Wales that contain surface water or groundwater that is susceptible to nitrate pollution from agricultural activities. They...

Source Protection Zones [Merged] have been created as public facing boundaries where individual groundwater bodies within Source Protection Zones (SPZ) have been dissolved so...

This dataset shows the boundary of Wales' 19 Public Service Boards (PSB). The PSB improve joint working across all public services in each local authority area in Wales. Each...

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...

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...

This dataset contains details of Large Raised Reservoirs. Natural Resources Wales (NRW) collects and maintains data on reservoirs designed or capable of holding more than 10,000...

This dataset contains details of Large Raised Reservoirs in Wales. Natural Resources Wales (NRW) collects and maintains data on all reservoirs designed or capable of holding...

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...

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...

Dataset showing the location of firebreaks created and managed by Natural Resources Wales operational staff in the Welsh Government Woodland Estate. The data covers the NRW...