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Event Duration Monitoring - Storm Overflows - Annual Returns

This Event Duration Monitoring (EDM) dataset relates to the performance of storm overflows in England. Data are provided by Water and Sewerage Companies (WaSCs) to the Environment Agency each year...

Event Duration Monitoring - Storm Overflows - Bathing Season Returns

This Event Duration Monitoring (EDM) dataset relates to the performance of storm overflows in England. Water and Sewerage Companies (WaSC) submit this data to the Environment Agency each year as...

Scottish Water Non-Reported Overflow Event Data & Summary 2022 - 2024 Version 1 published 28/03/25

Scottish Water (SW) non-reported overflow event data for overflows that are not reported to SEPA as part of the annual regulatory return. The data file provided contains overflow event data for...

Scottish Water Reported Overflow Event Data to SEPA 2020 - 2024 & Summary Version 2 published 26/11/25

This overflow event data set is the Scottish Water (SW) reported annual overflow event submissions to the Scottish Environment Protection Agency (SEPA) for the last 5 calendar years (2020-2024) for...

Combined Sewer Storm Overflow Detailed Event Duration Monitoring Data

This Water Company data shows storm overflow event duration monitor activations. The activations are recorded at the start and the stop of each potential discharge. The data has not been subject...

RAPID Circulation Overflow and Deep Convection Studies in the Nordic Seas Tracers and Models data

"The Circulation, overflow, and deep convection studies in the Nordic Seas using tracers and models" project was a Natural Environment Research Council (NERC) RAPID Climate Change Research...

RAPID Circulation Overflow and Deep Convection Studies in the Nordic Seas Tracers and Models data

"The Circulation, overflow, and deep convection studies in the Nordic Seas using tracers and models" project was a Natural Environment Research Council (NERC) RAPID Climate Change Research...

Salinity and Temperature data from the Angmagssalik Array in the Denmark Strait Overflow - 1998 to 2015

Salinity and temperature data recorded near bottom (20m height from seabed) between 1998 and 2015 by Seabird-Electronics-37 SM MicroCAT instruments. The data were calibrated and aggregated from...

Salinity and Temperature data from the Angmagssalik Array in the Denmark Strait Overflow - 1998 to 2015

Salinity and temperature data recorded near bottom (20m height from seabed) between 1998 and 2015 by Seabird-Electronics-37 SM MicroCAT instruments. The data were calibrated and aggregated from...

Flood risk management

The city council now has responsibilities to prepare, predict and manage flood risk in the city, following the Flood and Water Management Act 2010 making us a lead local flood authority. Flooding...

Reservoir Flood Extents - Wet Day (National)

This data shows the individual flood extents for all large raised reservoirs in the event that they were to fail and release the water held on a “wet day” when local rivers had already overflowed...

Local Enterprise Partnerships (April 2020) Map in EN

A PDF map showing the local enterprise partnerships (LEPs) in England as at April 2020.  (File Size - 208 KB)

NHS England Regions (April 2020) Map in EN

A PDF map that shows the NHS England Regions in England as at April 2020. The map shows the NHS England Regions that became operative in England as at April 2020.  (File Size - 180 KB)

Bring sites

A dataset providing the locations of all bring sites in Leeds.  This dataset also shows the amount of glass collected at each site each month from April 2016. Bring sites are smaller...

Reservoir Flood Extents (Individual)

The data consists of separate packages of data for each large raised reservoir showing the flood extents for two scenarios; a “dry-day” and “wet-day”. The dry day scenario shows the flood extent...

NSTA and Lloyd's Register West of Shetland and Rockall Regional Geological Maps (ArcGIS version)

As part of the NSTA’s published 2018/19 Activity Plan, the NSTA is publishing a set of regional geological maps for the West of Shetland and West of Hebrides. These maps represent the seventh set...

Risk of Flooding from Surface Water

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 runoff generated by...

Risk of Flooding from Surface Water

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 runoff generated...

Source apportionment of annual nutrient and sediment loads to rivers in England and Wales, from the SEPARATE framework

Estimates of discharged loads of nitrogen, phosphorous and fine-grained sediments to rivers in England and Wales from multiple sector sources, reported at Water Framework Directive catchment scale,...

NSTA and Lloyd's Register East Irish Sea and Cardigan Bay Regional Geological Maps (ArcGIS version)

As part of the NSTA’s published 2018/19 Activity Plan, the NSTA is publishing a set of regional geological maps for the Cardigan Bay and East Irish Sea. These maps represent the eighth set of...