41 datasets found

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

The Water Framework Directive (WFD) River Waterbodies Cycle 2 are a spatial (polygon) dataset collated as defined for the implementation of the Water Framework Directive. 'WFD...

Water Framework Directive (WFD) Transitional (Estuarine) Waterbodies Cycle 1 (2008-2013) is a polygon dataset containing attributes that have been collated as defined for the...

Water Framework Directive (WFD) Coastal Waterbodies is a polygon Shapefile dataset containing attributes that have been collated as defined for the implementation of the WFD....

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

The National Flood Asset Database records flood infrastructure in Wales managed by Lead Local Flood Authorities (LLFAs) and Natural Resources Wales (NRW). It includes many...

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...

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...

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...

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 (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 (2014 - 2019) is a spatial (polygon shapefile) dataset containing attributes that have been collated as...

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...

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...

These datasets show all messages issued for flooding from rivers or the sea in Wales since 2006. There are three flood warning codes: Flood Alert - flooding is possible; be...

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...

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...