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Risk of Flooding from Surface Water

Risk of Flooding from Surface Water (RoFSW) map is an assessment of where surface water flooding may occur when rainwater does not drain away through the normal drainage systems or soak into the...

United Kingdom Butterfly Monitoring Scheme: site location data 2019

This dataset provides the details of all sites on which butterflies have been monitored as part of the UK Butterfly Monitoring Scheme (UKBMS). This includes all standard UKBMS transect sites, Wider...

Middle layer Super Output Areas (December 2011) Boundaries EW BSC (V3)

This file contains the digital vector boundaries for Middle Layer Super Output Areas for England and Wales as at 31 December 2011. The boundaries available are: Super generalised (200m) -...

Westminster Parliamentary Constituencies (December 2022) Boundaries UK BUC

This file contains the digital vector boundaries for Westminster Parliamentary Constituencies, in United Kingdom, as at December 2022.The boundaries available are: (BUC) Ultra generalised (500m) -...

Middle layer Super Output Areas (December 2021) Boundaries EW BSC (V3)

This file contains the digital vector boundaries for Middle layer Super Output Areas in England and Wales, as at 21 March 2021.The boundaries available are: (BSC) Super generalised (200m) - clipped...

Parishes and Non Civil Parished Areas (December 2020) Boundaries EW BFE (V2)

This file contains the digital vector boundaries for Parishes and Non Civil Parished Areas, in England and Wales, as at December 2020.The boundaries available are:(BFE) Full resolution - extent of...

Parishes and Non Civil Parished Areas (December 2020) Boundaries EW BSC (V2)

This file contains the digital vector boundaries for Parishes and Non Civil Parished Areas, in England and Wales, as at December 2020.The boundaries available are:(BSC) Super Generalised (200m) -...

Integrated Care Boards (July 2022) Boundaries EN BGC

This file contains the digital vector boundaries for Integrated Care Boards, in England, as at July 2022.The boundaries available are: (BGC) Generalised (20m) - clipped to the coastline (Mean High...

Integrated Care Boards (July 2022) Boundaries EN BUC

This file contains the digital vector boundaries for Integrated Care Boards, in England, as at July 2022.The boundaries available are: (BUC) Ultra generalised (500m) - clipped to the coastline...

County Electoral Division (May 2025) Boundaries EN BFE

This file contains the digital vector boundaries for County Electoral Division, in England, as at May 2025.The boundaries available are: (BFE) Full resolution - extent of the realm (usually this is...

County Electoral Division (May 2025) Boundaries EN BFC

This file contains the digital vector boundaries for County Electoral Division, in England, as at May 2025.The boundaries available are: (BFC) Full resolution - clipped to the coastline (Mean High...

National Assembly for Wales Constituencies (December 2021) Boundaries WA BFC (V3)

This file contains the digital vector boundaries for National Assembly for Wales Constituencies, in Wales, as at 31 December 2021. The boundaries available are:  (BFC) Full resolution -...

National Assembly for Wales Constituencies (December 2021) Boundaries WA BFE (V3)

This file contains the digital vector boundaries for National Assembly for Wales Constituencies, in Wales, as at 31 December 2021. The boundaries available are: (BFE) Full resolution - extent...

Senedd Cymru Constituencies (May 2026) Boundaries WA BFC

This file contains the digital vector boundaries for Senedd Cymru Constituencies, in Wales, as at May 2026. The boundaries available are: (BFC) Full resolution - clipped to the coastline...

River Water Quality Monitoring 1990 to 2018 - pH

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Nitrite

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Oxygen

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Ammonia

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Nitrate

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...

River Water Quality Monitoring 1990 to 2018 - Dissolved Zinc

This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used to...