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Urban Waste Water Treatment Regulations (UWWTR) Sensitive Areas - Eutrophic

The Water Environment (Water Framework Directive) (England and Wales) Regulations 2017 (WFD Regulations 2017) requires specification of protected areas for those areas designated as nutrient...

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 are controlled. The...

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 mainly agricultural...

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This dataset has been replaced by the new Areas Benefitting from Flood Defences displayed within the Flood Risk Assessment Wales (FRAW) map (NRW_DS124843).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 the Flood Map:...

Ancient Woodland Inventory

This dataset comprises of the boundaries of Ancient Woodland sites in Wales. Each site is categorised as either Ancient Semi Natural Woodland (ASNW), Restored Ancient Woodland Site (RAWS),...

Water Framework Directive (WFD) Management Catchments Cycle 1

Water Framework Directive (WFD) Management Catchments Cycle 1 is a spatial (polygon) dataset collated as defined for the implementation of the WFD) Management catchments are the unit of geography...

Natural Resources Wales (NRW) Operational Areas

This is a spatial datasets containing the extent polygons for the Natural Resources Wales Operational Areas. This dataset shows the six main operational areas - North East Wales - North West...

Large Raised Reservoir register (Locations and undertakers)

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 more than 10,000...

Wales Coast Path

This is a spatial dataset detailing the extent and location of the Wales Coast Path (WCP). The 870 mile long Wales Coast Path was officially opened in May 2012. It runs from the outskirts of...

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 the study areas)....

Unitisation Boundaries

Designated sites in Wales include but is not limited to Sites of Special Scientific Interest (SSSI), Special Protection Areas (SPA), Special Areas of Conservation (SAC) and Ramsar sites. These...

Mapping Environmental Considerations for Marine Spatial Planning in Wales

Environmental Considerations spatial datasets for marine planning. These datasets are derived from multiple datasets indicating the presence of protected features in Welsh waters. The data is...

Historic River Quality Objectives

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

Traditional Orchards

This is a spatial dataset contain the location of Traditional Orchards sites around Wales. Traditional orchards are listed as a UK BAP priority habitats, which are those habitats that were...

National Flood Risk Maps 2019

The National Flood Hazard and Risk Maps are based on generalised modelling only. The maps have been published to comply with the Flood Risk Regulations (2009) and the EU Directive (2007/60/EC), and...

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 per second are made...

Urban Waste Water Treatment Regulations (UWWTR) Sensitive Areas - Bathing Waters

The Water Environment (Water Framework Directive) (England and Wales) Regulations 2017 (WFD Regulations 2017) requires specification of protected areas for those areas designated as nutrient...

Country Parks

There are over 250 recognised Country Parks in England and Wales. Most Country Parks were designated in the 1970s, under the Countryside Act 1968 with the support of the former Countryside...

Water Framework Directive (WFD) Management Catchments Cycle 2

WFD Management Catchments Cycle 2 is a dataset collated as defined for the implementation of the Water Framework Directive (WFD). Management catchments are the unit of geography for which action...

Eighteen years of capture-mark-recapture (CMR) data of grey seal pups, Halichoerus grypus, from Pembrokeshire, Wales.

Eighteen years (1954-1972) of capture-mark-recapture data of 245 grey seal pups marked with identification tags in Wales. The data was obtained from paper files held by NRW and supplied originally...